STATISTICAL TECHNIQUES AND TOOLS
CHI SQUARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A chi-square test is used to test whether a 0 to 9 spinner is “fair” (that is, the outcomes are all equally likely). The spinner is spun 100 times, and the results are recorded. The expected counts for spinning a 5 will be
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5
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10
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11.1
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20
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Explanation:
Detailed explanation-1: -A chi-square goodness-of-fit test is used to test whether a 0 to 9 spinner is “fair” (that is, the outcomes are all equally likely). The spinner is spun 100 times, and the results are recorded. The degrees of freedom for the test will be. (a) 8 .
Detailed explanation-2: -The Chi-Square Test of Independence determines whether there is an association between categorical variables (i.e., whether the variables are independent or related).
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