Statistics for The Behavioral Sciences (MindTap Course List)
Statistics for The Behavioral Sciences (MindTap Course List)
10th Edition
ISBN: 9781305504912
Author: Frederick J Gravetter, Larry B. Wallnau
Publisher: Cengage Learning
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Concept explainers

Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of tw…
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency o…
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow compar…
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Chapter 4, Problem 16P

16. Compute the mean and standard deviation for the following sample of n = 4 scores: 82, 88, 82 and 86, Hint: To simplify the arithmetic you can subtracted 80 points from each score to obtain a new sample consisting of 2, 8, 2 and 6. Then, compute the mean and standard deviation for the new sample. Use the values you obtain to find the mean and standard deviation for the original sample

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Chapter 4 Solutions

Statistics for The Behavioral Sciences (MindTap Course List)

Ch. 4 - In words, explain what is measured by SS,...Ch. 4 - Is it possible to obtain a negative value for the...Ch. 4 - Describe the scores in a sample that has standard...Ch. 4 - There are two different formulas or methods that...Ch. 4 - Calculate the mean and S,S (sum of squared...Ch. 4 - Calculate ss, variance and standard deviation for...Ch. 4 - Calculate ss. variance and standMd deviation for...Ch. 4 - For the foUow.ing population of N=6 score: l...Ch. 4 - For the fol1owing set of scores: 1, 4, 3, 5, 7 a....Ch. 4 - Prob. 10P
Ch. 4 - For the fol1owing sample of n = 6 scores: 0, 11, 5...Ch. 4 - 12. Calculate SS, variance and standard deviation...Ch. 4 - Prob. 13PCh. 4 - A population has a mean of µ = 50 and a standard...Ch. 4 - a. After 6 points have been added to every score...Ch. 4 - 16. Compute the mean and standard deviation for...Ch. 4 - For the following sample of n = 8 scores: 0, 1, ½,...Ch. 4 - For the following population of N=6 scores...Ch. 4 - The range is completely determined by the two...Ch. 4 - For the data in the following sample: ,6,8,6,5...Ch. 4 - 21 . Within a population. the differences that...Ch. 4 - Wegesin and Stern (2004) found greater consistency...Ch. 4 - A population has a mean of =50 and a standard...Ch. 4 - On an exam with a mean of M=78 , you obtain a...
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