1. (28 points) The dataset (see below) are a sample of 10 random participants from a larger data set collected on individuals with hypertension in the Dominican Republic. For the sex variable, a code of 0 represents male, 1 represents female. Hypertension is the sustained elevation of systemic arterial blood pressure, most commonly defined as systolic blood pressure (SBP) >= 130 mm Hg or diastolic blood pressure (DBP) >=80 mmHg. ID Age Sex: SBP DBP (yrs) 0: male 1: female 301 56 0 150 100 451 42 0 120 90 501 35 0 150 90 642 43 0 200 120 901 40 0 200 100 1701 100 1 130 70 1752 29 1 130 78 1753 23 1 110 90 1901 32 1 112 80 1951 46 1 110 85 a. (3 points) Identify the variable type for age, sex, SBP and DBP. b . (4 points) What is the average age of the participants in the sample? What is the median age? What is the mode? C. (4 points). What is the average SBP for male and female participants? Median male and female SBP? Mode male and female SBP? d. (4 points) What is the average DBP of male and female participants? Median male and female DBP? Mode female DBP ? e. (4 points) Calculate the variance and standard deviation of the participants' SBP. First calculate the mean of SBP: f. (5 points) What is the range of participants' SBP? What is the interquartile range of participants' SBP? g. (2 points) Use graphic methods to compare SBP and DBP by sex. What is your interpretation of the data in one brief sentence