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# Answer: Questions 15 refer to the sample data in the following table (based on data from

ISBN: 9780321836960 18

## Solution for problem 2 Chapter 11

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition

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Problem 2

Questions 15 refer to the sample data in the following table (based on data from the Bureau of Labor Statistics). The table lists frequencies for randomly selected nonfatal occupation injuries arranged according to day of the week. Assume that we want to use a 0.05 significance level to test the claim that such injuries occur with equal frequency on different days of the week. Day Mon Tues Wed Thurs Fri Number 23 23 21 21 20 When testing the claim in Question 1, what are the observed and expected frequencies for Monday?

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STAT 2004 CHAPTER ONE: WEEK 4 SAMPLE STATISTICS n 2 1 2  Sample variance- s = n−1 i=1x ix´)  Sample standard deviation- Tells you how spread out your data is. It is the square root of the variance. QUANTILES  Also known as percentiles. o If you are in the 70 percentile, you are better than 70% of your class and not as good as 30%. DISTRIBUTION  Describes shape, center, and spread/variation of data. For the images below, imagine histograms that fit the depicted curves. BOXPLOT  A boxplot uses a five number summary consisting of the median (Q ), 2

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##### ISBN: 9780321836960

This full solution covers the following key subjects: . This expansive textbook survival guide covers 121 chapters, and 3629 solutions. The answer to “Questions 15 refer to the sample data in the following table (based on data from the Bureau of Labor Statistics). The table lists frequencies for randomly selected nonfatal occupation injuries arranged according to day of the week. Assume that we want to use a 0.05 significance level to test the claim that such injuries occur with equal frequency on different days of the week. Day Mon Tues Wed Thurs Fri Number 23 23 21 21 20 When testing the claim in Question 1, what are the observed and expected frequencies for Monday?” is broken down into a number of easy to follow steps, and 92 words. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. The full step-by-step solution to problem: 2 from chapter: 11 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. Elementary Statistics was written by and is associated to the ISBN: 9780321836960. Since the solution to 2 from 11 chapter was answered, more than 220 students have viewed the full step-by-step answer.

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Answer: Questions 15 refer to the sample data in the following table (based on data from