The lengths of adult males' hands are normally distributed with mean 189 mm and standard deviation is 7.4mm. Suppose that 9 individuals are randomly chosen. Round all answers to 4 where possible.a. What is the distribution of ? ¤ - N(b. For the group of 9, find the probability that the average hand length is less than 190.c. Find the third quartile for the average adult male hand length for this sample size.d. For part b), is the assumption that the distribution is normal necessary? O NoO Yes

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Answered: The lengths of adult males' hands 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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Find the weighted estimate, p to test the claim that p, = p2. Use a = 0.05. The sample statistics listed below are from independent samples. n, = 50, x, = 35, and = 60, x, = 40 O A. 0.682 O B. 0.238 C. 1.367 D. 0.328
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Q6. Select the best response. The sampling distribution of the mean will be approximately Normaleven when the population is not exactly Normal as long as the sample is: A. medium B. large C. small
Consider sample data with x = 39 and s = 4.Compute the coefficient of variation. Round to two decimal places. ?%
The following sample observations were randomly selected: X Y 5 4 10 7 3 7 4 6 6 5 What is the coefficient of correlation? Select one: a. 0.185 b. 0.001 c. 0.034 d. 0.089
Which of the two samples in each set has the higher standard deviation. Answer this question by looking at the data without any computation. Explain your reasoning for each answer. Set 1 – Sample A: 16, 16, 16, 16, 16 – Sample B: 20, 20, 20, 20, 20 Set 2 – Sample A: 16, 16, 16, 16, 16 – Sample B: 15, 16, 16, 16, 16 Set 3 – Sample A: 20, 25, 25, 25, 30 – Sample B: 15, 25, 25, 25, 35 Set 4 – Sample A: 20, 20, 30, 40, 40 – Sample B: 20, 25, 30, 35, 40

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