APPLIED STAT.IN BUS.+ECONOMICS
6th Edition
ISBN: 9781259957598
Author: DOANE
Publisher: RENT MCG
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Chapter 16, Problem 4CR
a.
To determine
Identify the purpose of a Wilcoxon rank sum test or Mann-Whitney test.
b.
To determine
Give the assumption needed for considering Wilcoxon rank sum test as the test of two medians.
c.
To determine
Identify the
d.
To determine
Identify the type of parametric test that is analogous to Wilcoxon rank sum (Mann-Whitney) test.
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Which of the following is an incorrect pairing of a parametric test to its nonparametric equivalent?
A) One Way Analysis of Variance: Kruskal-Wallis Test
B) Independent t-test: Mann-Whitney rank Sum Test
C) One-sample t-test: Spearman s rank correlation coefficient
D) One-sample t-test: Wilcoxon signed-rank test
Thank you!
A scatterplot of student height, in inches, versus corresponding arm span length, in inches, is shown below. One of the points in the graph is labeled A.
If the point labeled A is removed, which of the following statements would be true?
The slope of the least squares regression line is unchanged and the correlation coefficient increases.
The slope of the least squares regression line is unchanged and the correlation coefficient decreases.
The slope of the least squares regression line increases and the correlation coefficient increases.
The slope of the least squares regression line increases and the correlation coefficient decreases.
The slope of the least squares regression line decreases and the correlation coefficient increases.
For the homogeneity of variance assumption, (a)describe the boxplots (b)will the assumption may or may not be satisfied? (c)Which between a parametric test or a non-parametric test would you recommend?
Chapter 16 Solutions
APPLIED STAT.IN BUS.+ECONOMICS
Ch. 16.2 - Prob. 1SECh. 16.2 - Prob. 2SECh. 16.2 - Prob. 3SECh. 16.2 - Prob. 4SECh. 16.3 - A sample of 28 student scores on the chemistry...Ch. 16.3 - Prob. 6SECh. 16.4 - Prob. 7SECh. 16.4 - Prob. 8SECh. 16.5 - Prob. 9SECh. 16.5 - The results shown below are mean productivity...
Ch. 16.6 - Consumers are asked to rate the attractiveness of...Ch. 16.6 - Prob. 12SECh. 16.7 - Prob. 13SECh. 16.7 - Prob. 14SECh. 16 - Prob. 1CRCh. 16 - Prob. 2CRCh. 16 - Prob. 3CRCh. 16 - Prob. 4CRCh. 16 - Prob. 5CRCh. 16 - Prob. 6CRCh. 16 - Prob. 7CRCh. 16 - Prob. 8CRCh. 16 - Prob. 9CRCh. 16 - Prob. 10CRCh. 16 - (a) Why is a significant correlation not proof of...Ch. 16 - Prob. 15CECh. 16 - Prob. 16CECh. 16 - Prob. 17CECh. 16 - Prob. 18CECh. 16 - Prob. 19CECh. 16 - Instructions: In all exercises, you may use a...Ch. 16 - Prob. 21CECh. 16 - Prob. 22CECh. 16 - Prob. 23CECh. 16 - Prob. 24CECh. 16 - Prob. 25CECh. 16 - Instructions: In all exercises, you may use a...Ch. 16 - Prob. 27CECh. 16 - Instructions: In all exercises, you may use a...Ch. 16 - Prob. 29CECh. 16 - Prob. 30CECh. 16 - Prob. 31CECh. 16 - Prob. 32CECh. 16 - Prob. 33CECh. 16 - Prob. 34CECh. 16 - Instructions: In all exercises, you may use a...Ch. 16 - Prob. 36CECh. 16 - Prob. 37CE
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