Michelle Steward Is a Marketing Professor at Wake Forest University

question 51

Multiple Choice

Michelle Steward is a marketing professor at Wake Forest University.Michelle had been asked by the administration to study a sample of classes at Wake to help the university understand the student population better particularly in terms of factors that differentiate students with high versus low GPAs.One of the questions asked was,"What score did you earn (0 to 100) on the last test that you took?" and another question in the study asked,"How much time,estimated in numbers of minutes,did you study for the last test you took?" Michelle decided to run a cross-tabulation analysis on these two questions.When she did,she also ran the chi-square test.The result was a Pearson Chi-Square Value of 8.64 and a p value reported as a "Sig." in SPSS of .03.Michelle knew that this meant:

• A)there was a significant,positive association between the two variables.
• B)there was the presence of an association;the probability of supporting the null hypothesis that there is no association is only 3 percent.
• C)there was the presence of a negative association;the probability of supporting the null hypothesis that there is no association is only 3 percent.
• D)there was the presence of a positive,"very strong" association because the probability of supporting the null hypothesis that there is no association is only .03 percent.
• E)None of the above;Michelle should not have run a chi-square test because the two variables are both metric.

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Definitions:

Bone Tissue

A type of connective tissue that provides structural support to the body and serves as a storehouse for various minerals.

Bulimia Nervosa

A disorder involving cycles of overeating and then engaging in behaviors to avoid gaining weight, such as inducing vomiting.

Anorexia Nervosa

An eating disorder characterized by an obsessive fear of gaining weight, leading to severe food restriction and unhealthy weight loss.

Menstrual Cycles

The cyclical process of ovulation and menstruation in female reproductive systems.