**Question 8**Which group of scores exhibits the most variability?- a. 65, 66, 67, 68- b. 2, 3, 4, 5- c. 11, 12, 13, 14- d. 1, 3, 5, 7

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Answered: QUESTION 8 Which group of scores…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question 2 of 10 To estimate the mean height of female high school juniors, you take a random sample of 30 female students and get these results (in inches): 72, 51, 67, 68, 61, 69, 58, 56, 60, 56 66, 61, 60, 59, 59, 54, 58, 53, 68, 63 57, 62, 63, 64, 56, 62, 58, 67, 57, 70 If the o is 5.3, based on past research, and you want to construct a 97% confidence interval using (estimate) ± (margin of error)= (estimate) ± z* what's your value for z*? O A. 1.645 В. 2.17 О с. 1.96 D. 2.576 O E. 1.88
QUESTION 18 Find the z score that corresponds to P90. Show all work and upload it as a photo or pdf. For full marks, include a diagram of the distribution that indicates important points, regions, etc.
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Question 7 Find the standard deviation of the data set: 15, 42, 53, 7, 9, 12,14, 28,47. 16.78
Write up your results as you would see them in a research paper. Be sure that you include the means and standard deviations for each group in your write-up, as well as a sentence or two explaining the results
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QUESTION 8 Which group of scores exhibits the most variability a. 65, 66, 67, 68 O b. 2, 3, 4, 5 О с. 11, 12, 13, 14 O d. 1, 3, 5, 7