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Classify the experiments according to their experimental designs. Some designs may be used more than once. Studying. A sample of 30 students was separated into upperclassmen and lowerclassmen. The members of each group were randomly assigned to two different studying techniques. The responses of each student were recorded at the completion of the experiment. Vegetables. A sample of 50 vegetable plants was grouped into pairs of similar individuals based on type and size. Then, withi these pairs, each vegetable plant was assigned to a different fertilizer. After three weeks, the responses of each pair were analyzed to compare the effects of the fertilizers. Race car fuel. Twenty race cars were assigned to drive two laps, once with fuel A and once with fuel B. The order of treatme was randomized for each race car. The lap times of each race car were recorded to compare the effects of the two different treatments. Street segments. A random sample of 100 street segments was selected in each of two cities. To compare the street tree populations of the two cities, the diameter and species of all trees in each street segment were recorded. Documentaries. Eighteen volunteers were randomly assigned to three groups, and each group watched a different documenta

Classify the experiments according to their experimental designs. Some designs may be used more than once. Studying. A sample of 30 students was separated into upperclassmen and lowerclassmen. The members of each group were randomly assigned to two different studying techniques. The responses of each student were recorded at the completion of the experiment. Vegetables. A sample of 50 vegetable plants was grouped into pairs of similar individuals based on type and size. Then, withi these pairs, each vegetable plant was assigned to a different fertilizer. After three weeks, the responses of each pair were analyzed to compare the effects of the fertilizers. Race car fuel. Twenty race cars were assigned to drive two laps, once with fuel A and once with fuel B. The order of treatme was randomized for each race car. The lap times of each race car were recorded to compare the effects of the two different treatments. Street segments. A random sample of 100 street segments was selected in each of two cities. To compare the street tree populations of the two cities, the diameter and species of all trees in each street segment were recorded. Documentaries. Eighteen volunteers were randomly assigned to three groups, and each group watched a different documenta

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 13CYU
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Classify the experiments according to their experimental designs. Some designs may be used more than once. Studying. A sample of 30 students was separated into upperclassmen and lowerclassmen. The members of each group were randomly assigned to two different studying techniques. The responses of each student were recorded at the completion of the experiment. Vegetables. A sample of 50 vegetable plants was grouped into pairs of similar individuals based on type and size. Then, within these pairs, each vegetable plant was assigned to a different fertilizer. After three weeks, the responses of each pair were analyzed to compare the effects of the fertilizers. Race car fuel. Twenty race cars were assigned to drive two laps, once with fuel A and once with fuel B. The order of treatments was randomized for each race car. The lap times of each race car were recorded to compare the effects of the two different treatments. Street segments. A random sample of 100 street segments was selected in each of two cities. To compare the street tree populations of the two cities, the diameter and species of all trees in each street segment were recorded. Documentaries. Eighteen volunteers were randomly assigned to three groups, and each group watched a different documentary about feminism. After completing the documentary, each volunteer was asked if their views on feminism were influenced by the film. Race car fuel Studying block design (not matched pairs) block design (not matched pairs) Street segments Vegetables observational study matched pairs design Documentaries completely randomized design Answer Bank completely randomized design matched pairs design observational study block design (not matched pairs)
Transcribed Image Text:Classify the experiments according to their experimental designs. Some designs may be used more than once. Studying. A sample of 30 students was separated into upperclassmen and lowerclassmen. The members of each group were randomly assigned to two different studying techniques. The responses of each student were recorded at the completion of the experiment. Vegetables. A sample of 50 vegetable plants was grouped into pairs of similar individuals based on type and size. Then, within these pairs, each vegetable plant was assigned to a different fertilizer. After three weeks, the responses of each pair were analyzed to compare the effects of the fertilizers. Race car fuel. Twenty race cars were assigned to drive two laps, once with fuel A and once with fuel B. The order of treatments was randomized for each race car. The lap times of each race car were recorded to compare the effects of the two different treatments. Street segments. A random sample of 100 street segments was selected in each of two cities. To compare the street tree populations of the two cities, the diameter and species of all trees in each street segment were recorded. Documentaries. Eighteen volunteers were randomly assigned to three groups, and each group watched a different documentary about feminism. After completing the documentary, each volunteer was asked if their views on feminism were influenced by the film. Race car fuel Studying block design (not matched pairs) block design (not matched pairs) Street segments Vegetables observational study matched pairs design Documentaries completely randomized design Answer Bank completely randomized design matched pairs design observational study block design (not matched pairs)
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