A doctor released the results of clinical trials for a vaccine to prevent a particular disease. In these clinical trials, 400,000 children were randomly divided in two groups The subjects in group 1 (the experimental group) were given the vaccine, while the subjects in group 2 (the control group) were given a placebo. Of the 200,000 children in the experimental group, 35 developed the disease. Of the 200,000 children in the control group, 91 developed the disease. Complete parts (a) through (f) below. (a) What type of expenmental design is this? O Randomized block design O Matched-pairs design O Case-control O Completely randomized design (b) What is the response variable? OA. The amount of the vaccine received OB. Whether the subject contracted the disease or not

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 25PPS
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A doctor released the results of clinical trials for a vaccine to prevent a particular disease. In these clinical trials, 400,000 children were randomly divided in two groups
The subjects in group 1 (the experimental group) were given the vaccine, while the subjects in group 2 (the control group) were given a placebo. Of the 200,000
children in the experimental group, 35 developed the disease. Of the 200,000 children in the control group, 91 developed the disease. Complete parts (a) through (f)
below.
(a) What type of experimental design is this?
O Randomized block design
O Matched-pairs design
O Case-control
O Completely randomized design
(b) What is the response variable?
OA. The amount of the vaccine received
OB. Whether the subject contracted the disease or not
OC. Whether the subject was in group 1 or group 2
OD. Whether the vaccine prevented the disease or not
Click to select your answers)
a
Transcribed Image Text:A doctor released the results of clinical trials for a vaccine to prevent a particular disease. In these clinical trials, 400,000 children were randomly divided in two groups The subjects in group 1 (the experimental group) were given the vaccine, while the subjects in group 2 (the control group) were given a placebo. Of the 200,000 children in the experimental group, 35 developed the disease. Of the 200,000 children in the control group, 91 developed the disease. Complete parts (a) through (f) below. (a) What type of experimental design is this? O Randomized block design O Matched-pairs design O Case-control O Completely randomized design (b) What is the response variable? OA. The amount of the vaccine received OB. Whether the subject contracted the disease or not OC. Whether the subject was in group 1 or group 2 OD. Whether the vaccine prevented the disease or not Click to select your answers) a
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