Questions refer to the following information:The Heart and Estrogen Replacement Study (HERS) is a large clinical trial which was conducted to assess risk factors for recurrent coronary heart disease and whether treatment with hormone therapy may improve these factors. A small sample of the data set is shown below. Each variable is defined as follows:

Hormone therapy (1 = treatment, 0 = placebo)

Smoking (Non-smoker, Current Smoker, Former smoker)

Age (age in years)

Physact (physical activity level, 1 = none, 2=low, 3=moderate, 4=often, 5=very often).

Glucose (serum glucose level in mg/dL)

Packs of cigarettes smoked per week (Number of packs smoked per week)

Table 1. Sample of the HERS Data. Hormone SMOKING AGE PHYSACT GLUCOSE Packs of Therapy STATUS cigarettes smoked per week Non-smoker 57 109 0 Non-smoker 73 128 0 0 Current 56 114 10 Smoker 0 Former 62 4 89 0 Smoker 1 Former 68 2 96 0 Smoker Non-smoker 55 84 0 Current 58 2 99 21 Smoker 0 Non-smoker 59 5 89 0 Questions 4-8: Identify the type of each variable in Table 2 below by selecting one of the (0.5 points each) following. Use the data in Table 1 and the descriptions to choose the most specific variable type. a. Continuous b. Dichotomous c. Discrete d. Nominal e. Ordinalinf-39'5".\" Table 2. Descriptions of variables (Data Dictionary) m VARIABLE =_ Hormone Therapy =_ Packs of Cigarettes Smoked per week - Smoking Status _