BU educational research scenarios – Description
You have compared a group of 63 students using a new math textbook, to a second group of 63 students who use the old math textbook. You wish to see if math achievement will improve significantly with the new book. You run the experiment for 9 months and submit the data for a statistical test. Select the appropriate statistical test for your data. The computed value (provided by your statistician based on the data) is:2.665What is the appropriate Degree of Freedom?What is the critical value (fence)?What is the NULL for this study?What will you do with this NULL (sustain or reject)?What do you conclude about the effectiveness of the new textbook?
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