Age of College Students Find the 98% confidence intervals for the varianceand standard deviation of the ages of seniors at Oak Park College if arandom sample of 28 students has a standard deviation of 3 years. Assumethe variable is normally distributed. Use the chi-square distribution table tofind any chi-square values to three decimal places. Round the final answersto one decimal place.<6

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Answered: random sample of 28 students has a…

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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Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P15, the 15th percentile. This is the bone density score separating the bottom 15% from the top 85%. Which graph represents P15? Choose the correct graph below. O A. AS P15 The bone density score corresponding to P15 is (Round to two decimal places as needed.) O B. A P15 Q C O C. A P15 Q Q O D. A P15
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random sample of 28 students has a standard deviation of 3 years. Assume the variable is normally distributed. Use the chi-square distribution table to find any chi-square values to three decimal places. Round the final answers to one decimal place. |< 6²