16. Good at Math? Twenty third graders were randomly separated into four equal groups, and each group
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16. Good at Math? Twenty third graders were randomly separated into four equal groups, and each group was taught a math concept using a different teaching method. At the end of the teaching period, progress was measured by a unit test. The scores are shown below (one child in group 3 was absent on the day that the test was administered).
a. What type of design has been used in this experiment?
b. Construct an ANOVA table for the experiment.
c. Do the data present sufficient evidence to indicate a difference in the average scores for the four teaching methods? Test using a 5.05.
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Related Book For
Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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