7(2) (Weights of Children) Listed below are the weights (in pounds) of 20 six graders randomly selectedfrom a group of millions.70 92 85 75 90 95 71 8073 60 63 72 53 69 83 81 71 77 80 100(a) Construct a stem-and-leaf plot and make your comment on the shape of the distribution. Canwe assume the weights of all children in the group are approximately normally distributed?(b) Calculate the mean and standard deviation of the sample data (Write the formulas used inthis calculation).(c) What is the point estimate for the mean weight of all children in this group? Check whetherthe requirements are satisfied in order to apply the central limit theorem for the samplingdistribution of the sample mean à (assuming normality of population).(d) Construct a 95% confidence interval estimate of for the mean of all children in the group.(e) Write a brief statement that accurately describe your results and includes all relevant infor-mation in plain English. What do the result tell us about the mean weight of college students?

(2) (Weights of Children) Listed below are the weights (in pounds) of 20 six graders randomly…

Answered: 7 (2) (Weights of Children) Listed…

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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