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TABLE 11-9
The marketing manager of a company producing a new cereal aimed for children wants to examine the effect of the color and shape of the box's logo on the approval rating of the cereal. He combined 4 colors and 3 shapes to produce a total of 12 designs. Each logo was presented to 2 different groups (a total of 24 groups) and the approval rating for each was recorded and is shown below. The manager analyzed these data using the ? = 0.05 level of significance for all inferences.
-Referring to Table 11-9, the critical value in the test for significant differences between shapes is_______ .
Decisive
Showing the ability to make decisions quickly and effectively.
Alfred Binet
A French psychologist who, along with his colleague Théodore Simon, developed the first standardized test to measure intelligence.
Intelligence Test
A psychological assessment tool designed to measure cognitive abilities, IQ, and problem-solving skills.
Aptitude
A natural ability or talent for learning or skill acquisition.
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