The ages of Luis's five cousins are listed below.1761551) Calculate the mean.10.22) Fill in the table below: Fill in the differences of each data value from the mean,then the squared differencesх —()154.85-5.2176.8-2.26-4.2Σ(-3) Calculate the population standard deviation (o)Σ (-|x (Please round your answer to two decimalNplaces)

it is given that the mean,µ = 10.2.The squares differences are given below:

Answered: The ages of Luis's five cousins are…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Every year, the students at a school are given a musical aptitude test that rates them from 0 (no musical aptitude) to 5 (high musical aptitude). This year's results are given in the frequency distribution: Aptitude Score 0 1 2 3 4 5 Frequency 1 6 4 1 5 2 Calculate the sample standard deviation of this data. Answer using two decimal places.
Determine the number of standard deviations from the mean (z-score). In the United States, the distribution of a male's height has a mean of 69 inches with a standard deviation of 3 inches. How many standard deviations from the mean is John Doe, who is 67 inches tall? Question 15 options: 0.67 standard deviations below the mean 0.33 standard deviations below the mean 2 standard deviations below the mean 1 standard deviation below the mean
The mean and standard deviation marks of 4 different classes of the same grade are recorded in the table below. Mean mark Standard deviation Class 1 Class 2 Class 3 83 9 78 5 71 14 Class 4 64 5 Using the coefficient of variation, determine which class has marks that more spread out about the mean. A. Class 1 B. Class 2 C. Class 3 D. Class 4
An employment evaluation exam has a standard deviation of 15. One particular exam with raw scores of 142 and 165 have z scores of -0.5. Find the mean of the distribution. 150 2 1603 1495 135 2
The numbers of courses taught per semester by a random sample of university professors are shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. 25- 24 20- 17 16 15 10- 5- Number of courses taught per semester f 1 2 16 24 4 17 The sample mean is x = 2.9 (Round to one decimal place as needed.) The sample standard deviation is s = (Round to one decimal place as needed.) Number of professors
Can someone help me out with these questions.
Answer all parts.
Solve last two parts of c Variance and standard deviation only

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