Can the introduction of pleasant sensory stimuli lead to a more pleasant exercise environment and decrease perceived exertion during a four‑minute stepping task? Forty‑three students from a Southeastern University were assigned at random to three conditions: "taste," in which participants inserted a lemon‑flavored mouth guard during the task; "placebo," in which participants inserted a non‑flavored mouth guard; and "control," in which no mouth guard was used. Twelve students were assigned to the taste group, 15 to the placebo group, and 16 to the control group. Ratings of perceived exertion (RPE) scores were measured on a standard 15‑point scale ranging from 6 (very, very light) to 20 (exhausted). Select the populations and the response variable. The population is all humans. The response is the rating of perceived exertion. The populations are students who wear a lemon‑flavored mouth guard and students who wear a non‑flavored mouth guard. The response is the rating of perceived exertion. The population is all college students. The response is the rating of perceived exertion. The populations are students who wear a lemon‑flavored mouth guard, students who wear a non‑flavored mouth guard, and students who wear no mouth guard. The response is the rating of perceived exertion. What is the value of ?I ? (Enter your answer as a whole number.) ?=I= Let ?1 be the number of students who were exercising with a lemon‑flavored mouth guard, ?2 be the number of students who were exercising with a non‑flavored mouth guard, and ?3 be the number of students who were exercising without a mouth guard. What are the values of ?1,?2, and ?3? (Enter your answers as whole numbers.) ?1= ?2= ?3= What is the value of ? (Enter your answer as a whole number.) ?= Give the degrees of freedom of the ANOVA ? statistic. (Enter your answers as whole numbers.) dfnum= dfdenom=

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Description: Can the introduction of pleasant sensory stimuli lead to a more pleasant exercise environment and decrease perceived exertion during a four‑minute stepping task? Forty‑three students from a Southeastern University were assigned at random to three con

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Can the introduction of pleasant sensory stimuli lead to a more pleasant exercise environment and decrease perceived exertion during a four‑minute stepping task? Forty‑three students from a Southeastern University were assigned at random to three conditions: "taste," in which participants inserted a lemon‑flavored mouth guard during the task; "placebo," in which participants inserted a non‑flavored mouth guard; and "control," in which no mouth guard was used. Twelve students were assigned to the taste group, 15 to the placebo group, and 16 to the control group. Ratings of perceived exertion (RPE) scores were measured on a standard 15‑point scale ranging from 6 (very, very light) to 20 (exhausted).

Select the populations and the response variable.

The population is all humans. The response is the rating of perceived exertion.

The populations are students who wear a lemon‑flavored mouth guard and students who wear a non‑flavored mouth guard. The response is the rating of perceived exertion.

The population is all college students. The response is the rating of perceived exertion.

The populations are students who wear a lemon‑flavored mouth guard, students who wear a non‑flavored mouth guard, and students who wear no mouth guard. The response is the rating of perceived exertion.

What is the value of ?I ? (Enter your answer as a whole number.)

?=I=

Let ?1 be the number of students who were exercising with a lemon‑flavored mouth guard, ?2 be the number of students who were exercising with a non‑flavored mouth guard, and ?3 be the number of students who were exercising without a mouth guard. What are the values of ?1,?2, and ?3? (Enter your answers as whole numbers.)

?1=

?2=

?3=

What is the value of ? (Enter your answer as a whole number.)

Give the degrees of freedom of the ANOVA ? statistic. (Enter your answers as whole numbers.)

dfnum=

dfdenom=

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