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 patients once the AIDS symptoms have revealed themselves. Of interest is the average (mean) length of time in months patients live once they start the treatment. Two researchers each follow a different set of 40 patients with AIDS from the start of treatment until their deaths. The following data (in months) are collected. Researcher A: 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; 47; 47; 33; 34 Researcher B: 3; 14; 11; 5; 16; 17; 28; 41; 31; 18; 14; 14; 26; 25; 21; 22; 31; 2; 35; 44; 23; 21; 21; 16; 12; 18; 41; 22; 16; 25; 33; 34; 29; 13; 18; 24; 23; 42; 33; 29 Determine what the key terms refer to in the example for Researcher A. parameter population statistic variable sample 1. The average length of time (in months) AIDS patients live after treatment. 2. The average length of time (in months) AIDS patients live after treatment in the sample. 3. X= the length of time (in months) AIDS patients live after treatment. 4. The 40 AIDS patients in the study. 5. AIDS patients
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 patients once the AIDS symptoms have revealed themselves. Of interest is the average (mean) length of time in months patients live once they start the treatment. Two researchers each follow a different set of 40 patients with AIDS from the start of treatment until their deaths. The following data (in months) are collected. Researcher A: 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; 47; 47; 33; 34 Researcher B: 3; 14; 11; 5; 16; 17; 28; 41; 31; 18; 14; 14; 26; 25; 21; 22; 31; 2; 35; 44; 23; 21; 21; 16; 12; 18; 41; 22; 16; 25; 33; 34; 29; 13; 18; 24; 23; 42; 33; 29 Determine what the key terms refer to in the example for Researcher A. parameter population statistic variable sample 1. The average length of time (in months) AIDS patients live after treatment. 2. The average length of time (in months) AIDS patients live after treatment in the sample. 3. X= the length of time (in months) AIDS patients live after treatment. 4. The 40 AIDS patients in the study. 5. AIDS patients
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Transcribed Image Text: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 patients once the AIDS symptoms
have revealed themselves. Of interest is the average (mean) length of time in months patients live once they
start the treatment. Two researchers each follow a different set of 40 patients with AIDS from the start of
treatment until their deaths. The following data (in months) are collected.
Researcher A:
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; 47; 47; 33; 34
Researcher B:
3; 14; 11; 5; 16; 17; 28; 41; 31; 18; 14; 14; 26; 25; 21; 22; 31; 2; 35; 44; 23; 21; 21; 16; 12; 18; 41; 22; 16;
25; 33; 34; 29; 13; 18; 24; 23; 42; 33; 29
Determine what the key terms refer to in the example for Researcher A.
parameter
population
statistic
variable
sample
--
1.
The average length of time (in months) AIDS patients live after treatment.
2. The average length of time (in months) AIDS patients live after treatment in the sample.
3. X= the length of time (in months) AIDS patients live after treatment.
4. The 40 AIDS patients in the study.
5. AIDS patients
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