Twenty experienced distance runners who professed to be at top condition were evaluated on the treadmill and then had their times recorded in a 10-km race. Please answer the following question:1.) Place a 95% confidence interval on x (Treadmill Time). Treadmill Time (minutes) 7.5 7.810-km Time (minutes)43.5 45.2Treadmill Time (minutes) 10.1 10.310-km Time (minutes) 39.57.9 8.1 8.3 8.744.9 41.143.844.410.5 10.738.2 43.9 37.110.837.78.9 9.2 9.442.743.1 41.810.9 11.2 11.5 11.739.2 35.7 37.2 34.89.843.711.838.5

the 95% CI for mean is as follows1. First we calculated mean and Sd of 20 samples.

Twenty experienced distance runners who professed to be at top condition were evaluated on the treadmill and then had their times recorded in a 10-km race. Please answer the following question: 1.) Place a 95% confidence interval on x (Treadmill Time).

Twenty experienced distance runners who professed to be at top condition were evaluated on the treadmill and then had their times recorded in a 10-km race. Please answer the following question: 1.) Place a 95% confidence interval on x (Treadmill Time).

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter4: Polynomial And Rational Functions

Section4.6: Rational Functions

Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.

See similar textbooks

Related questions

Q: What is the effect of concussions on the brain? Researchers measured the brain sizes (hippocampal…

A: The question is about hypothesis testing.Given :Group size of Concussion ( n1 ) = 25Sample mean of…

Q: To determine if their 2.50 inch galvanized pipes are properly adjusted, Hoffman Manufacturing has…

A: Below is the formula of control limits of chart Here,

Q: Can you employ a large sample 2 sample t test when n = 50 and ypu have paired data?

A: Paired t test is employed in a dataset when the dataset are linked to each other.

Q: (a) Suppose you knew a person with the following characteristics: a 30 year old, white female with a…

A: Given,the multiple regression line regarding the prediction of the ecology score through the factors…

Q: What percentage of the variance for the score on physical overall well-being is predicted by its…

A: Given,the Pearson correlation, .To estimate the percentage of the variance for the score on physical…

Q: Acrylic bone cement is sometimes used in hip and knee replacements to fix an artificial joint in…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

Q: Fast reactions: In a study of reaction times, the time to respond to a visual stimulus (x) and the…

A: sample size (n)= 7level of significance want to find the critical value to test This is a two-sided…

Q: You work for an insurance company and are studying the relationship between types of crashes and the…

A: The given contingency table is as follows:Type of crashCarPick upSport utilitysingle…

Q: Based on information from a previous study, r₁39 people out of a random sample of n, 104 adult…

A: Null hypothesis:Null hypothesis is the statement about parameter of population.Alternative…

Q: What percent of the standard normal z-distribution lies between z = -1.5 and z = 0? (Round your…

A: z-distribution lies between z = -1.5 and z = 0

Q: 5. Let X₁, X2,..., Xn are random samples from the pdf f(x; 0) = 0/x², 0 < 0≤x. a) Find the mle of 0.…

A: f(x;θ)=θx2;0<θ<x

Q: 2. Consider the following examples; would you expect the correlation coefficient to be close to 1,…

A: The objective of the question is to understand the correlation coefficient between different…

Q: A researcher collects data from six groups with four individuals in each group. If the means square…

A: In ANOVA, Mean square between groups (MSB) is calculated by dividing the sums of squares between…

Q: The owner of a moving company wants an accurate method to predict the total number of labor hours…

A: The given data is belowSr no Hours(Y)Cubic Feet(X1)…

Q: In a poll, the president's approval rating stood at 54% in a daily tracking poll of 1300 randomly…

A: The question is about confidence interval and hypo. testingGiven :Randomly selected no. of adults (…

Q: Students will be given the following data from the US Census Real American Asian and Year Year…

A: Given the US Census 1900-2010 data.

Q: The friendly folks a the Internal Revenue Service (IRS) in the United States and Canada Revenue…

A: The formula of sum of squares due to error (SSE) in one way ANOVA method is given by Where,…

Q: What is the t statistic for testing Ho: ß = 0? Give your answer to two decimal places. t =

A: Sample size: The slope coefficient: Standard Error:

Q: 6) A chess tournament is going to be scheduled for the 10 members of a club. How many matches should…

A: The provided information is as follows:A chess tournament is going to be scheduled for the 10…

Q: Using the accompanying table of data, blood platelet counts of women have a bell-shaped distribution…

A: Given that blood platelet counts in women have a bell-shaped distribution with a mean of and a…

Q: Given the information in the table for energy used by a heating system. If the linear prediction is:…

A: The given paired observations for "HDD" and "Energy Cost" (in $) for the corresponding months are as…

Q: Enter the numerical value only for the correct answer in the blank box. If a decimal point appears,…

A: The estimated regression equation is,y=11+10.8x1+11.13x2+3.20x3where = 11 (intercept coefficient)…

Q: The amount of pollutants that are found in waterways near large cities is normally distributed with…

A: As per our guidelines we are supposed to answer only three subparts kindly post the remaining…

Q: Use the contingency table to the right to calculate the marginal frequencies and find the expected…

A: Given the data:x1 = Injuryx2 = No injuryY1 = stretchedY2 =Not stretched[O] X1 X2X1…

Q: A car-rental company is interested in the amount of time its vehicles are out of operation for…

A: It is assumed that µ is the population mean number of days in a year that all vehicles in the…

Q: x² = 0 P-value interval O p < 0.001 O 0.001 ≤p < 0.01 O 0.01 < p < 0.05 O 0.05 ≤p < 0.10 p2 0.10

A: The observed frequency distribution of Phenotypes is given…

Q: In a survey, 13 people were asked how much they spent on their child's last birthday gift. The…

A: sample size(n)=13Mean ()=33standard deviation(s)=3confidence level=99%

Q: Problem #5: Suppose three tests are administered to a random sample of college students. Let X₁,…

A: Let be an "index" of student performance with .

Q: Calculate the the fractions, decimals and percentages of the details below Colours Number of…

A: ColoursNumber of SquaresRed37.5Green13.5Yellow7Black9White13.5Blue19.5

Q: Suppose that information about gender is coded as "1" if the person is female, and "0" otherwise.…

A: Suppose that information about gender is coded as "1" if the person is female, and "0" otherwise.…

Q: You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the…

A: The hypothesized proportions for the categories are:H0:pA=0.1; pB=0.3, pC=0.5, pD=0.1The observed…

Q: Netflix: A study conducted by a technology company showed that the mean time spent per day browsing…

A: Sample size (n)=109Sample mean =21.6Population mean =20.6Standard deviation =7Test hypothesis: Claim…

Q: According to an article, one may be able to predict an individual's level of support for ecology…

A: We have given the multiple regression model as follows.where,y: ecology scorex1: age times 10 x2:…

Q: Test the claim that all ages have purchase rates proportional to their driving rates. Use α=0.05.

A: The observed frequency distribution of age is given below:AgeOUnder 266626-453946-6525Over…

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a…

A: Let x be an IQ scorewant to find the probability that the IQ score is less than 135i.e. P(X<135)

Q: Use the body table to find the specified z-number. (Round the answer to two decimal places.) (a)…

Q: of soap oved, percent of produce parisons, in which the content does not allow the bubbles to…

Q: Let X and Y be bivariate normal with μx = 5, µy = 10, o² = 1, o² = 25 and Corr(X, Y) = p. lIf p > 0…

A: Let X and Y be the bivariate normal distributionμx=5μy=10σx2=1σy2=25Corr(X,Y)=ρFind ρ such…

Q: A shareholders' group is lodging a protest against your company. The shareholders group claimed that…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Does the scatter diagram indicate any influential observations? -Select your answer - V b. Compute…

A: The data is given on for .xiyi4125147168151018122012242219To determine the scatter plot,…

Q: We want to obtain a sample to estimate a population mean. Based on previous evidence, researchers…

A: standard deviation()=76.5Margin of error(E)=2.5confidence level=90%

Q: Match these values of r with the accompanying scatterplots: 0.994, 0.359, 0.713,-0.994, and Click…

A: Scatter plot shows the data points, it is used to determined the strength and direction of the…

Q: 人工知能を使用せず、すべてを段階的にデジタル形式で解決してください。ありがとう SOLVE STEP BY STEP IN DIGITAL FORMAT DON'T USE CHATGPT…

A: Given,Population of elephantsMean(μ)=5000Standard deviation (σ)=400Population of…

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: Solution:ABCDTotal Order Accurate 313280245129967Order Not Accurate 38603510143Total…

Q: You work for an insurance company and are studying the relationship between types of crashes and the…

A: Answer [O] Y1 Y2 Y3X1 866 323 340X2 1145 487…

Q: laws? Use a .01 significance level. (Round your x² value to two decimal places, and round your…

A: The observed frequency distribution of four phenotypes is given…

Q: Is there enough evidence to support the claim that on average, car sales are higher in the 4th…

A: Given,The following data were collected from a sample of 5 car manufacturers relating monthly car…

Q: Representative data read from a plot on runoff sediment concentration for plots with varying amounts…

A: The given data is as follows: Bare ground…

Q: An instructor asked a random sample of eight students to record their study times in a beginning…

A: A random sample of eight students to record their study times in a beginning calculus course

Question

Twenty experienced distance runners who professed to be at top condition were evaluated on the treadmill and then had their times recorded in a 10-km race. Please answer the following question:

1.) Place a 95% confidence interval on x (Treadmill Time).

Treadmill Time (minutes) 7.5 7.8
10-km Time (minutes)
43.5 45.2
Treadmill Time (minutes) 10.1 10.3
10-km Time (minutes) 39.5
7.9 8.1 8.3 8.7
44.9 41.1
43.8
44.4
10.5 10.7
38.2 43.9 37.1
10.8
37.7
8.9 9.2 9.4
42.7
43.1 41.8
10.9 11.2 11.5 11.7
39.2 35.7 37.2 34.8
9.8
43.7
11.8
38.5

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: step 1

VIEW

Step 2: step 2

VIEW

Solution

VIEW

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Find the mean hourly cost when the cell phone described above is used for 240 minutes.
Which graph(s) is/are the graph of an exponential function? Plot1.pdf Plot2.pdf Plot3.pdf Plot4.pdf Plot1.pdf, Plot2.pdf (2) Plot1.pdf, Plot2.pdf, plot3.pdf, plot4.pdf (3) Plot1.pdf, Plot3.pdf, Plot4.pdf (4) Plot3.pdf, Plot4.png (5) Plot3.pdf
4.0. 4.30
Customer Day Mon Browser Time (min) Pages Viewed Amount Spent ($) 1 Chrome 12.0 4 54.52 2 Wed Other 19.5 94.90 3 Mon Chrome 8.5 4 26.68 4 Tue Firefox 11.4 2 44.73 Chrome Firefox Wed 11.3 4 66.27 Sat 10.5 67.80 7 Sun Chrome 11.4 36.04 8 Fri Firefox 4.3 55.96 9 Wed Firefox 12.7 3 70.94 10 Tue Chrome 24.7 7 68.73 11 Sat Other 13.3 6. 54.04 12 Sun Firefox 14.3 48.05 13 Sun Other 11.7 7 64.16 14 Mon Firefox 24.4 10 158.51 15 Fri Chrome 8.4 3 84.12 16 Thu Chrome 9.6 4 59.20 17 Thu Chrome 23.3 7 91.62 18 Mon Chrome 14.0 126.40 19 Fri Other 5.6 4 68.45 20 Wed Chrome 15.1 5 32.69 21 Sat Firefox 16.3 5 78.58 22 Tue Chrome 10.2 6. 74.43 23 Sun Chrome 8.0 3 32.73 24 Tue Firefox 8.0 2 48.66 25 Fri Firefox 9.6 3 54.66 26 Wed Chrome 11.0 40.54 27 Sat Chrome 16.9 5 34.69 28 Sat Firefox 6.0 4 27.91 29 Fri Firefox 32.9 10 155.30 30 Mon Other 11.8 9 120.25 31 Thu Chrome 7.1 41.20 32 Fri Firefox 18.0 8 134.40 33 Sun Chrome 11.8 37.17 34 Fri Chrome 9.1 3 52.09 71.81 59.99 35 Tue Chrome 7.8 5 36 Mon Firefox…
5) The ages (X) of ten second-hand cars and their km values (Y) are given below. a) Calculate the correlation coefficient between X and Y. b) Calculate the coefficients of the regression line of the Y with respect to X. c) Estimate the km value of a 5.0 year old car.
A pediatrician wants to determine the relation that may exist between a child's height and head circumference. She randomly selects 8 children from her practice, measures their height and head circumference, and obtains the data shown in the table. Complete parts (a) through (e) below. E Click here to see the Table of Critical Values for Correlation Coefficient. Height (in.) Head Circumference (in.) E 27.25 17.6 25.75 17.2 26.5 17.3 25.25 17.1 27.75 17.5 26.5 17.4 26.25 17.2 27 17.3 ... The explanatory variable is head circumference and the response variable is height. (b) Draw a scatter diagram. Choose the correct graph below. OA. В. O C. OD. 28- A 28- 17.6- 17.6- 16.9+ 25 Circ. (in.) 16.9H 25+ 16.9 25 + 16.9 Circ. (in.) 25 28 17.6 17.6 28 Height (in.) Height (in.) (c) Compute the linear correlation coefficient between the height and head circumference of a child. r= (Round to three decimal places as needed.) Circ (in.) Circ (in.) Height (in.) Height (in.)
help 20.35/2918.495
53.5 x 0.41 2.2 65.2 / 12 2.3 25.825 - 3.86 2.4 41.0 + 9.135 2.5 694.2 x 0.2
Two hundred feet of conduit cost $75.60 What will 350 feet of conduit cost at the same rate? S97.80 O $105.84 $132.30 $54.00
Name: Write out the proper prime factorization and list all the natural factors.
st Assessment / 1 of 13 NC.6.NS.1 Mai biked 6-miles today, and Noah biked 4 miles. How many times the length of Noah's bike ride was Mai's bike ride? 4 ОА. 2 times as far 3. 3. B. times as far 2 6. times as far D. 243 times as far
Miles (1000s) Price ($1000s) 116.53 25.6 100.27 22.2 29.93 43.3 25.47 27.6 49.96 36.2 83.68 29.8 62.53 24.3 85.54 32.8 27.93 35.0 89.31 23.6 59.89 25.5 17.87 23.6 20.35 29.2 116.65 24.7 63.18 25.0 30.54 37.8 51.36 19.6 34.83 46.2 93.06 27.1 116.49 17.7 68.08 22.5 29.90 26.6 39.98 25.6 98.06 22.2 44.43 26.0 22.90 39.9 52.13 32.3 57.72 21.8 67.89 23.6 61.77 36.4 46.90 24.6 57.89 21.4 94.41 21.4 50.73 22.2 41.88 22.5 110.06 27.0 22.25 40.2 57.00 26.7 15.73 26.8 99.87 22.9 98.30 30.2 90.12 15.3 31.55 32.5 30.47 30.6 33.28 36.0 52.94 18.1 17.60 29.6 88.29 38.4 90.98 23.8 75.39 25.0 28.20 22.3 102.03 30.3 28.38 31.4 45.44 36.3 44.82 37.2 74.81 26.3 33.22 40.9 29.30 29.1 17.73 35.9 53.33 31.7 31.54 44.5 30.83 43.4 51.38 41.0 53.26 32.2 15.61 32.3 101.39 24.6 77.04 26.8 86.47 20.5 119.18 19.3 35.96 33.6 99.38 27.1 103.17 33.2 37.72 25.4 75.59 21.2…