Given data = 31 mean =39 SX = 3.7 What percent of the data is greater than 31? O 1.54% O -1.54 % O 98.46 % O -98.46%

Q: One sample of scores has a mean of M = 45 and a sample size of n = 10 scores.  A second sample of…

A:

Q: Determine the percent of data greater than z=−1.40.

A: Know that  X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?

Q: What percent of data is less than -8%

A: here we can see that shape of curve is bell shaped and symmetric about x = -6 so it is normal…

Q: The scores and their percent of the final grade for a statistics student are given. What is the…

A:

Q: In each shipment there is an average of 2%% of defective bolts. How many bolts can be expected to be…

A: (3).   An average of 212% bolts are defective. Therefore 212% of 360 dozen bolts are defective.

Q: A survey found that women's heights are normally distributed with mean 63.7 in and standard…

A: In a survey, Height of women follows the normal distribution with mean 63.9 in and standard…

Q: Suppose we focus on the proportions of patients who show improvement.  Is there a statistically…

A: Given,   Symptoms Worsened No Effect Symptoms Improved Total Treatment 1 22 14 14 50…

Q: What is the range of the data? 2.3 4.5 6.7 1.1 11.6 O O O 5.3 6.7 11.7 10.6 4.5 11.7 8.5 3.2 6.7 7.9…

A: Given data2.3, 4.5, 6.7, 1.1, 11.6, 4.5, 11.7, 8.5, 3.2, 6.7, 7.9Formula:

Q: ( )1. A doctor recorded the survival time of 6 tumor patients after the chemical therapy. 5 of them…

A: Given Recorded survival time of 6 tumor patients (TP) Survival time: 5 TP: 1 month, 1 month, 2…

Q: Lake Macatawa, an inlet lake on the east side of Lake Michigan, is divided into an east basin and…

A: By the given data,we haveSample mean x¯=19.07Sample standard deviation  s = 6.3922Sample size n =…

Q: Treatment nị A 6 5.0 10.0 B 10.0 14.0 C 6 20.0 10.0 D 6. 7.0 14.0 Test for a difference among the…

A: The given summary statistics are as follows:

Q: How well do professional golfers putt from various distances to the hole? The data show various…

A: Solution: Given Data

Q: What percentage of the data is located in the red sections? -30 -20 20 30 0,0 0,1 0,2 0,3 0,4

A: In a normal distribution 99.7% of the data lies within 3 standard deviations around the mean value.…

Q: Refer to Table 2-1. The percentage or proportion associated with X = 3 is __________. Table 2-1 X…

A: The probability formula is, Probability=Favourable outcomesTotal outcomes There are totally 10…

Q: Please explain all of the steps involved in solving this problem.  What is the 60th percentile of…

A: Given, Number of Days on Campus Frequency Relative Frequency Cumulative Relative Frequency…

Q: 0 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: Given information: It was stated that part-time students were asked how many courses they were…

Q: Which is more variable: a sample of 1000 people where p=.05 or a sample of 1000 people where p=0.5?…

A: Given that  Which is more variable: a sample of 1000 people where p=.05 or a sample of 1000 people…

Q: Make Stem-and-Leaf display using the above data. Be sure to indicate the scale.  How are the…

A: Given information: 13.6 16.6 23.5 10.2 5.4 15.0 9.0 12.3 16.3 15.4 13.0…

Q: (Calculation of Percentile of Data Sample) Find π15% of the following observations {−1200, −980,…

A: Data given  −1200, −980, −870, −525, −371, −108, 0, 15, 210, 453, 700, 1120 P15=?

Q: Consider the chart below that describes the average student runner speeds. Find the percentile…

A: Given data of average student runner speeds as shown below2 2.5 3 4 5 6 2.75 8 107 4 5.5 8 2 3.5 5.5…

Q: helpp i need help for the 2 critical thinking questions

A: Here compare magnitude of standardized z score for getting which data is more extreme

Q: q11- Median is which percentile of the data? Select one: a. 25th. b. 50th. c. 75th. d. 80t

A: b. 50th

Q: Calculate the 35th percentile of the data shown. X 4.1 4.6 9.1 22.7 23.2 29.8 30

A: 4.1,4.6,9.1,22.7,23.2,29.8,30Number of data : n = 7find 35th percentile = ?

Q: The scatterplot illustrates the relationship between distance and success rate of field-goal…

A: Given,

Q: 1.128 Find an SAT percentile. Reports on a student's ACT or SAT results usually give the percentile…

A: Suppose a random variable X, defines the SAT scores of a student.

Q: What number of offenses falls at the 30th percentile? The 80th percentile?

A: Data is given for number of offences for year(2014 to 2013) We have to calculate 30th and 80th…

Q: DESCRIPTIVE STATISTICS Table 2.30 Frequency Distribution of Family Incomes

A: Given : Family Income  Frequency (f) Cumulative freqeuncy  (CF) 10,000 - 11,999 12 12 12,000…

Q: Given X = 46 , Mean= 42 and S.D= 4.4. Find z- score. O z= 0.91 O z= 0.81 2 = 1.01 O None of these

A: solution of the given problem is below...

Q: Given the following data, find the percentile of a weight of 6.6 pounds. Weights of Newborn Babies…

A: The data given is as follows : Weights of newborn babies (in pounds )…

Q: P(-9 < x< 16) = 0.4268, find the value of the mean

A: We have given that P(-9 &lt; x &lt; 16) = 0.4268

Q: if the 90% C for the population mean is (-2.58, 7.54) what is the sample mean O a 248 Ob. 10.12…

A:

Q: What value corresponds to the 61 percentile in the following data set? 35,10,28,59,44, 48,51 O A.…

A:

Q: Using the following table, what is the percent of the relative frequency of a Blue car being…

A: Given frequency distribution table is,Car colorFrequency Relative Frequency Black…

Q: In the attached image is a example for finding IQR. What I don’t understand is the significance of…

A: As seen above, the interquartile range is built upon the calculation of other statistics. Before…

Q: Find the point estimate of p and 96% CI.

A: Given: X: Number of students responded as Yes = 32 n: Total number of students = 100

Q: 240 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency…

A: The objective of the question is to complete the frequency table and find the percentage of people…

Q: Eyeglassomatic manufactures eyeglasses for different retailers. They test to see how many defective…

A: Given:

Q: Find the margin of error for the given values of c, s, and n. c= 0.98, s = 2.9, n=21 Click the icon…

A: Since population standard deviation is unknown, Use t-distribution to find t-critical value. Find…