WGU C797 CHOOSE THE BEST STATISTICAL TEST
QUESTIONS AND CORRECT ANSWERS
Find out whether there is a connection between the type of health insurance—
private, Medicaid, or no insurance—and ethnic identity (African American,
Asian American, White, Hispanic, or Latino) (n = 47). ANSWER Chi-squared
analysis
Find the correlation between the normally distributed BMI and the non-
normally distributed weekly exercise minutes (n = 12). ANSWER coefficient of
Spearman correlation
Forty-five pairs of twins were enrolled in a weight-loss program. Each pair of
twins took a daily 15-minute walk. Compared to the other twin, did the walking
twin lose more weight? Loss of weight is distributed normally. ANSWER The
paired t-test
Before and after a nursing education intervention (n = 126), ascertain if mothers
of young children practice lead poisoning preventive practices (yes/no). The
McNamar Test Answer
A researcher is interested in determining whether the normally distributed
systolic blood pressure of 84 older males is associated with the men's marital
status (single, married, divorced, or widowed). ANSWER Analysis of variance
in one direction
A research of persons with mental disabilities aims to determine whether or not
receiving a visit from a therapy pet significantly lessens symptoms of social
isolation. A scale created by the researcher is used to quantify social isolation,
which is not normally distributed (n = 35). Mann Whitney U Test Answer
In a group of 122 males, ascertain whether current smoking and excessive
snoring are related based on the wives' ratings. ANSWER Chi-squared analysis
QUESTIONS AND CORRECT ANSWERS
Find out whether there is a connection between the type of health insurance—
private, Medicaid, or no insurance—and ethnic identity (African American,
Asian American, White, Hispanic, or Latino) (n = 47). ANSWER Chi-squared
analysis
Find the correlation between the normally distributed BMI and the non-
normally distributed weekly exercise minutes (n = 12). ANSWER coefficient of
Spearman correlation
Forty-five pairs of twins were enrolled in a weight-loss program. Each pair of
twins took a daily 15-minute walk. Compared to the other twin, did the walking
twin lose more weight? Loss of weight is distributed normally. ANSWER The
paired t-test
Before and after a nursing education intervention (n = 126), ascertain if mothers
of young children practice lead poisoning preventive practices (yes/no). The
McNamar Test Answer
A researcher is interested in determining whether the normally distributed
systolic blood pressure of 84 older males is associated with the men's marital
status (single, married, divorced, or widowed). ANSWER Analysis of variance
in one direction
A research of persons with mental disabilities aims to determine whether or not
receiving a visit from a therapy pet significantly lessens symptoms of social
isolation. A scale created by the researcher is used to quantify social isolation,
which is not normally distributed (n = 35). Mann Whitney U Test Answer
In a group of 122 males, ascertain whether current smoking and excessive
snoring are related based on the wives' ratings. ANSWER Chi-squared analysis
