February 26, 2017

Homework Help: Statistics

Posted by Jennifer on Sunday, July 31, 2011 at 10:15am.

Twenty (20) students randomly assigned to an experimental group are studying for a test while listening to classical music. Thirty (30) students randomly assigned to a control group are studying for the same test in complete silence. Both groups take the test after studying for two weeks, and their performance on the test is as follows:
In this problem, you will determine what the experimenter should conclude
Using the 5% level of significance (alpha):
a) Determine the null and research hypotheses;
b) Select the correct template (templates for the Single Sample t-test, the Independent Samples t-test, and the ANOVA are included in the tabs that follow this tab);
c) Complete each of the blank cells in the template selected
d) State your conclusion, making reference to the test statistic, the critical value, the effect size, and your hypotheses.

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