Answered: A set of observations has 4 values and…

A set of observations has 4 values and a mean of 33.6. A new observation of 21.3 is added to the set. What is the mean of the set after that new obersvation is added?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: The distribution of the lengths of a commercially caught fish is bell-shaped with mean 24 cm and…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: What dot plot has a median of 5, a range of 10, and a mean of 5?

A: Explanation: Consider the data set is: 0, 5, 10 n = 3 Mean = 0+5+103= 153= 5 Median = n+12thterm=…

Q: suppose that you hav e set of data that has a mean of 34 and a standard deviation of 6. a. is the…

A: Given: A data set has a mean of 34 and a standard deviation of 6.

Q: 6. For the graph at the right, put the mean for each distributions A, B and C in order smallest to…

A: The graph shown in the picture is Bell shaped Symmetrical Unimodal which are the properties of…

Q: State the variable. What is the z score for 52 cm? What is the z-score for 74 cm? What is the Z…

A: Given that, Mean (μ)=49.9 sd (σ) = 3.74

Q: Two different surveys will be conducted to estimate the mean salary of employees who have taken a…

A: The confidence interval inversely depends on the sample size. The formula for the confidence…

Q: 3. The number of miles traveled per gallon of gasoline for a certain car has a mean of 25 and a…

A: Given that Mean=25 Standard deviation =2 Sample size n=20

Q: The average house has 11 paintings on its walls. Is the mean larger for houses owned by teachers?…

Q: A set of n = 6 scores has a mean of M = 10. Another set of scores has n = 4 and M = 20. If these two…

A: Given, First set has mean = 10 and n =6 Second set has mean = 20 and n =4

Q: Two individuals a spatial abilities test (mean = 80, std. dev. = 8). One scores a 76 and the scores…

A: From the given information,

Q: A teacher found that the mean number of hours her 12 students spent studying for an AP Statistics…

A: old mean for 12 students = 6.7 sum of 12 students = 6.7*12 = 80.4

Q: Use the data 2, 3, 3, 6, 6, 7. Add 2 to each of the numbers. How does this affect the mean? How does…

Q: 1. (12pt) A researcher is studying hospital cleanliness comparing carpeted rooms with uncarpeted…

A: There are two independent samples which are carpeted rooms and uncarpeted rooms. We have to test…

Q: After 5 points are added to each score in a sample, the mean is found to be M=45 . What was the…

A: Given data: c = 5 points are added to each score in a sample. New mean, M = 45 Let the original mean…

Q: a. n=2 ∑ni=1xi=20. The mean is b. n=4 ∑ni=1xi=80 The mean is

A: It is given that,Part a) Part b) To find the mean value in both cases.

Q: It takes an average of 12.1 minutes for blood to begin clotting after an injury. An EMT wants to see…

A: The random variable is time to blood clotting.We have to test whether the population mean time for…

Q: a survey of Town X found an average of 3.2 perosns per household and a mean of 1.2 televisions. I f…

Q: Consider the 5 numbers: 12, 5, 8, 12, 18. Which of the following is FALSE? The standard deviation is…

Q: Suppose there are 5 students in a room. The mean age is 20.0 years, and the median age is 19. If the…

A: From the provided information, There are 5 students in a room. The mean age is 20.0 Years. The…

Q: The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard…

Q: A population has a mean of u = 30. If 3 points are added to each score, what is the mean for the new…

A: Given : Mean(μ)=30 and N=3

Q: Suppose there are 30 students in a class. the18 male students in the class have a mean score of 72,…

Q: The mean score on a set of 17 tests is 85. Suppose two more students take the test and score 62 and…

A: we need to find new mean using given conditions

Q: he first 8 data points have mean 110.63. The second 78 data points have mean 3.02. What is the…

A: From the given information, Consider, n1=8, x1=110.63n2=78, x2=3.02

Q: Three randomly chosen Seattle students were asked how many round trips they made to Canada last…

A: Geometric Mean : If there are X1, X2,...., Xn are n observations then the geometric mean is given…

Q: Create your Data Set. These are your X-values: 1. Choose a number between 50 and 100. And write your…

Q: 5. Two different 5th grade classes take the same test. In the first class of 50 students the mean…

A: Given the First class Sample size =50 Mean =70 Second class Sample size =20 Mean =90 We have to…

Q: Any correct answers and tell me why and how?

A: If the mean of the gray scale value is less than 87, classify the photo as day, else classify the…

Q: Three cars are driving on a racetrack. The mean speed of the three cars is 100 miles per hour. Car…

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: 36) Answer:- Given, The IQ scores (X) of adults are normally distributed with a mean of 100 and a…

Q: Entry to a cerain university is determined by a national test. The scores on this test are normally…

Q: When describing a data set, the mean is used with and the median is sed with Z-scores are used to…

A: When describing a data set, the mean is used with average and the median is used with middle value.

Q: I. Construct the graph and compute for the value of skewness. Identify the type of skewness and its…

Q: Find the area of the shaded region. The graph to the right depicts scores of adults, and those…

A: normal distribution curve is given μ = 100σ = 15area shaded to the left of 120.

Q: The mean describes an entire sample with a single number that represents the calculated by of the…

A: To define mean.

Q: The average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances…

Q: T'he mean and standard deviation of a set of 100 observations were worked out as 40 and 5…

Q: Report anything you noticed about the way the graphs were shaped, how they were different as the…

A: Considering the Reese’s Pieces candies manufactured by Hershey are 25 candies: Physical Sample:…

Q: A large chemistry course took their final exam. The mean was 75 with a standard deviation of 8. What…

Question

A set of observations has 4 values and a mean of 33.6. A new observation of 21.3 is added to the set. What is the mean of the set after that new obersvation is added?

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Suppose the mean of X is 6. What is the mean of Y if a = 0.66 and Y=aX?
If someone scored a 17 when the mean is 19 with a SD of 5, what would their score be if the mean were 100 with a SD of 15?
Determine the class average if the standard deviation was 8% and Henry’s mark of 85% is equivalent to a z-score of 1.30? solve asap using data management..
Suppose we measure GPA for people in our class, we find the mean is 2.8 and the median is 3.2. What can you say is most likely true about GPAs in our class?
You are told that a set of data includes one score which is 0.8.The standard deviation for the set is 0. Can you give the mean of the set and say anything else about the six other scores in the set?
From the set of numbers 10,17,19,20,22 The mean is 17.6 Median is 19 Mode is no mode. make 1st, 2nd, and 3rd quartiles, then sketch a box and whisper plot.
Please answer Part b,c,d correctly d) Explain in context what your interval means. Select the correct choice below. A. 95% of all bags of tortilla chips will have a mean weight that falls within the interval. B. 95% of the weights of the bags of tortilla chips will be contained in the interval. C. The interval contains the true mean weight of the contents of a bag of tortilla chips 95% of the time D. We are 95% confident that the interval contains the true mean weight of the contents of a bag of tortilla chips
Suppose 6 students take an exam, and the mean score is 82.5. Five of the student scores are as follows:95, 78, 85, 56, and 96. What is the sixth student’s score?
Suppose a researcher wants to test if the average diastolic blood pressure in African-Americans is different than the average diastolic blood pressure in the general population. Note that the average diastolic blood pressure in the general population is 70 mmHG. The researcher retains the null hypothesis, so she therefore concludes... Group of answer choices The mean diastolic blood pressure in African-Americans is equal to that of the general population The mean diastolic blood pressure in African-Americans is different than that of the general population
Mario's weekly poker winnings have a mean of $353 and a standard deviation of $67. Last week he won $185. How many standard deviations from the mean is that?
The mean value for the given data set is equal to 1.0. {-4. -2, 3. 8, . 3, -1, 4} You are required to: 1) Find the missed value in this data set. 2)| Calculate the standard deviation of this data set. 3) Calculate the variance of this data set.
15 Mean of 100 items was 50. Later on it was found that two items were misread as 92 and 8 instead of 192 and 88. Find the correct mean. Given N=100 , X=50