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Name the type of statistical test appropriate for each situation: a) You performed an ANOVA and found that P<0.05, so you want to compare pairs of group means against one another to see which ones differ. (1 Point)

Name the type of statistical test appropriate for each situation: a) You performed an ANOVA and found that P<0.05, so you want to compare pairs of group means against one another to see which ones differ. (1 Point)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Name the type of statistical test appropriate for each situation: a) You performed an ANOVA and found that P<0.05, so you want to compare pairs of group means against one another to see which ones differ. (1 Point) b) You want to compare the mean values of two groups of data. The data from each group are normally distributed, but they do not have the same variance. (1 Point) c) You want to test whether three groups of numerical data have the same variance as one another. (1 Point) d) You have a 2 x 2 contingency table and want to test whether one categorical variable is independent of the other categorical variable. Under the null hypothesis scenario, the expected frequency in one of the cells of the contingency table is less than 5. (1 Point) e) You obtained randomly sampled data from 100 newborn Canadian babies and want to test whether their mean weight differs from the U.S. population mean of 3.4 kg for a newborn baby. (1 Point) Question 7 (1 Point total) You performed a hypothesis test and found that P<0.05. What do you do with the null hypothesis: reject it, or fail to reject it? (1 Point)
Transcribed Image Text:Name the type of statistical test appropriate for each situation: a) You performed an ANOVA and found that P<0.05, so you want to compare pairs of group means against one another to see which ones differ. (1 Point) b) You want to compare the mean values of two groups of data. The data from each group are normally distributed, but they do not have the same variance. (1 Point) c) You want to test whether three groups of numerical data have the same variance as one another. (1 Point) d) You have a 2 x 2 contingency table and want to test whether one categorical variable is independent of the other categorical variable. Under the null hypothesis scenario, the expected frequency in one of the cells of the contingency table is less than 5. (1 Point) e) You obtained randomly sampled data from 100 newborn Canadian babies and want to test whether their mean weight differs from the U.S. population mean of 3.4 kg for a newborn baby. (1 Point) Question 7 (1 Point total) You performed a hypothesis test and found that P<0.05. What do you do with the null hypothesis: reject it, or fail to reject it? (1 Point)
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