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StatisticsEssentials of Statistics for the Behavioral SciencesFor the following sample of n = 4 scores: 82, 88, 82, and 86: a. Simplify the arithmetic by first subtracting 80 points from each score to obtain a new sample of 2, 8, 2, and 6. Then, compute the mean and standared deviation for the new sample. b. Using the values you obtained in part a, what are the values for the mean and standard deviation for the original sample?BuyFind*launch*

8th Edition

Frederick J Gravetter + 1 other

Publisher: Cengage Learning

ISBN: 9781133956570

Chapter 4, Problem 15P

Textbook Problem

For the following sample of *n* = 4 scores: 82, 88, 82, and 86:

**a.**Simplify the arithmetic by first subtracting 80 points from each score to obtain a new sample of 2, 8, 2, and 6. Then, compute the mean and standared deviation for the new sample.**b.**Using the values you obtained in part a, what are the values for the mean and standard deviation for the original sample?

Essentials of Statistics for the Behavioral Sciences

Ch. 4.3 - Brief explain what is measured by the standard...Ch. 4.3 - The deviation scores are calculated for each...Ch. 4.3 - What is the standard deviation for the following...Ch. 4.3 - Calculate the variance for the following...Ch. 4.3 - Find the sum of the squared deviations, SS, for...Ch. 4.3 - a. Sketch a histogram showing the frequency...Ch. 4.4 - a. Sketch a histogram showing the frequency...Ch. 4.4 - For the following set of scores: 1, 5, 7, 3, 4 a....Ch. 4.4 - Explain why the formula for sample variance...Ch. 4.5 - Explain the difference between a biased and an...

Ch. 4.5 - In a population with a mean of = 50 and a...Ch. 4.5 - A population has a mean of . = 70 and a standard...Ch. 4 - In words, explain what is measured by each of the...Ch. 4 - Can SS ever have a value less than zero? Explain...Ch. 4 - Is it possible to obtain a negative value for the...Ch. 4 - What does it mean for a sample to have a standard...Ch. 4 - Explain why the formula for sample variance is...Ch. 4 - A population has a mean of = 80 and a standard...Ch. 4 - On an exam with a mean of M = 78, you obtain a...Ch. 4 - Calculate the mean and SS (sum of squared...Ch. 4 - For the following population of N = 6 scores: 3 1...Ch. 4 - For the following sample of n = 7 scores: 8 6 5 2...Ch. 4 - For the following population of N = 6 scores: 11 0...Ch. 4 - The range is completely determined by the two...Ch. 4 - A population has a mean of = 30 and a standard...Ch. 4 - a. After 3 points have heen aikicd to every score...Ch. 4 - For the following sample of n = 4 scores: 82, 88,...Ch. 4 - For the following sample of n = 8 scores: 0, 1,...Ch. 4 - For the data in the following sample: 81515 a....Ch. 4 - Calculate the mean and SS (sum of squared...Ch. 4 - Calculate SS, variance, and standard deviation for...Ch. 4 - Calculate SS, variance, and standard deviation for...Ch. 4 - Calculate SS, variance, and standard deviation for...Ch. 4 - In an extensive study involving thousands of...Ch. 4 - Within a population, the difference that exist...Ch. 4 - In the previous problem we noted that the...Ch. 4 - a. What is the general goal for descriptive...

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