Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
9th Edition
ISBN: 9781337098120
Author: Frederick J Gravetter, Larry B. Wallnau, Lori-Ann B. Forzano
Publisher: Cengage Learning
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Chapter 3.2, Problem 2LC

A sample has a mean of M = 72. If one person with a score of X = 58 is removed from the sample, what effect will it have on the sample mean?

a. The sample mean will increase.

b. The sample mean will decrease.

c. The sample mean will remain the same.

d. Cannot be determined from the information given.

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Chapter 3 Solutions

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

Ch. 3.2 - A sample of n 5 scores has a mean of M = 12. What...Ch. 3.2 - A sample has a mean of M = 72. If one person with...Ch. 3.2 - One sample of n = 4 scores has a mean of M = 10,...Ch. 3.2 - Prob. 4LCCh. 3.2 - A population of N = 10 scores has a mean of 30. If...Ch. 3.3 - What is the median for the following set of...Ch. 3.3 - Prob. 2LCCh. 3.3 - Find the precise median for the following scores...Ch. 3.4 - For the sample shown in the frequency distribution...Ch. 3.4 - If the mean, median, and mode are all computed for...
Ch. 3.4 - Prob. 3LCCh. 3.5 - For a distribution of scores, the mean is equal to...Ch. 3.5 - For a positively skewed distribution with a mode...Ch. 3.5 - For a negatively skewed distribution, what is the...Ch. 3.6 - Prob. 1LCCh. 3.6 - What is the best measure of central tendency for...Ch. 3.6 - One item on a questionnaire asks students to...Ch. 3 - A sample of n = 9 scores has X = 108. What is the...Ch. 3 - Find the mean for the following set of scores: 2,...Ch. 3 - A population of N = 7 scores has a mean of = 13....Ch. 3 - One sample of n = 10 scores has a mean of 8 and a...Ch. 3 - One sample has a mean of M 6 anti h second sample...Ch. 3 - A sample with a mean of M = 8 has X = 56. How many...Ch. 3 - Find the mean for the scores in the following...Ch. 3 - In a sample of n 6 scores, five of the scores are...Ch. 3 - A population has a mean of 40. a. If 5 points...Ch. 3 - Solve the following problems. a. After 8 points...Ch. 3 - A sample of n = 8 scores has a mean of M = 7. If...Ch. 3 - A sample of n = 5 scores has a mean of M = 12. If...Ch. 3 - A population of N = 10 scores has a mean of = 12....Ch. 3 - A sample of n 6 scorns has a mean of M = 14....Ch. 3 - A population of N = 7 scores has a mean of = 9....Ch. 3 - Find the median for the following set of scores:...Ch. 3 - Find the median for the distribution of scores in...Ch. 3 - For the following sample of n 10 scores; 2, 3, 4,...Ch. 3 - Find the mean, median, and mode for the...Ch. 3 - Find the mean, median, and mode for the following...Ch. 3 - Solve the following problems. a. Find the mean,...Ch. 3 - Solve the following problems. a. Find the mean,...Ch. 3 - Identify the circumstances in which the median may...
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