5)What is the absolute risk (AR) for group A and group B? What is the relative risk?
6)Using the chi-square value, compute Cramer’s Vstatistic (or phi).
d)Χ2= 9.88, df= 2, α = .01
III.Using the information provided, indicate which test you think should be used for each of the following situations:
2)Independent variable: Drug A vs. Drug B vs. placebo; dependent variable: pain measured on a 0 to 10 scale; sample size: 50 per group. ANOVA 3)Independent variable: gender (male versus female); dependent variable: preference for nursing home placement versus home care for parent. Chi-squareIV.Use the SPSS dataset Polit2SetB. Begin by running a crosstab (Analyze → Descriptive Statistics → Crosstabs) for the variables bmicatand hlthlimit. The first is a variable that usesthe women’s body mass index (BMI), computed from their height and weight, to form four groups: those classified in the normal BMI range (values under 25.0), overweight (values from 25.0 to 29.99), obese (values from 30.0 to 40.0), and morbidly obese (values over 40.0).