EBK BUSINESS STATISTICS
7th Edition
ISBN: 8220102743984
Author: STEPHAN
Publisher: PEARSON
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What is H0 for a one-way ANOVA? If H0 is rejected, does that imply that each mean is significantly different from every other mean?
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- A researcher compares differences in positivity between participants in a low-, middle-, or upper-middle-class family. If she observes 15 participants in each group, then what are the degrees of freedom for the one-way between-subjects ANOVA?arrow_forwardIn two-way ANOVA, identify the statistic that is used as a measure of variationa. among the sample means for the different levels of Factor A.b. among the sample means for the different levels of Factor B.c. due to interaction.d. within the samples.arrow_forwardWhat test would be best to use if there was a statistical difference between brands in an experiment? Would it be a one way ANOVA since that is used to see if there are any differences within a group?arrow_forward
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- what is ANOVA? and how is it used to conclude there is a statistically significant difference between the mean of different groups?arrow_forwardWhy should you use ANOVA instead of several t tests to evaluate mean differences when an experiment consists of three or more treatment conditions?arrow_forwardA researcher is studying whether average GPA is dependent on whether the students are in a 2-year college, public university, or private university. The researcher should use a 1-way ANOVA for this study. True or falsearrow_forward
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