1. Studies are often done by pharmaceutical companies to determine the effectiveness of a treatment program. Suppose that a new AIDS antibody drug is currently under study. It is given to some patients. Of interest is the average (mean) length of time in months patients live. 3; 4; 11; 15; 16; 17; 22; 44; 37; 16; 14; 24; 25; 15; 26; 27; 33; 29; 35; 44; 13; 21; 22; 10; 12; 8; 40; 32; 26; 27; 31; 34; 29; 17; 8; 24; 18; 47; 33; 34 Determine what the key terms refer to in the example. a. population b. sample c. parameter d. statistic e. Complete the tables using the data provided: 3; 4; 11; 15; 16; 17; 22; 44; 37; 16; 14; 24; 25; 15; 26; 27; 33; 29; 35; 44; 13; 21; 22; 10; 12; 8; 40; 32; 26; 27; 31; 34; 29; 17; 8; 24; 18; 47; 33; 34 Survival Length (in Frequency Relative Cumulative months) Frequency Frequency 0 -5 6 - 11 12 - 17 18 -23 24-29 30 - 35 36 - 41 42 -47 f. How many lived at most 11 months once they started treatment? g. What percent lived between 18 and 29 months once they started treatment? h. What percent lived more than 17 months once they started treatment