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48. A doctor is concerned that a drug treatment causes people to run a fever. She recruited n = 50 participants and gave them the drug treatment. She then measured their body temperature R hours later. She wants to compare the average temperature of her sample to the population average body temperature of 98.6°F to see if the participants temperature is significantly different. Which statistical tests should she use? a. Z-test b. One-sample test c. Independent sample t-test d. Dependent sample t-test

48. A doctor is concerned that a drug treatment causes people to run a fever. She recruited n = 50 participants and gave them the drug treatment. She then measured their body temperature R hours later. She wants to compare the average temperature of her sample to the population average body temperature of 98.6°F to see if the participants temperature is significantly different. Which statistical tests should she use? a. Z-test b. One-sample test c. Independent sample t-test d. Dependent sample t-test

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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48. A doctor is concerned that a drug treatment causes people to run a fever. She recruited n = 50 participants and gave them the drug treatment. She then measured their body temperature 2 hours later. She wants to compare the average temperature of her sample to the population average body temperature of 98.6°F to see if the participants temperature is significantly different. Which statistical tests should she use? a. Z-test b. One-sample test c. Independent sample t-test d. Dependent sample t-test 49. A 7th grade science teacher would like to know if spending more time doing class experiments will help his students perform better on tests. In a day, he teaches 4 periods of science, so for his 1st and 3th period classes, he taught as he normally does with mostly lectures and occasional class experiments. For his 2nd and 4th period classes, he did a class experiment every day with minimal lectures. There was n = 25 different students in each of his classes. He then wanted to compare the exam averages between his classes to see if student performance was significantly different. Which of statistical tests should he use? a. Z-test b. One-sample test c. Independent sample t-test d. Dependent sample t-test
Transcribed Image Text:48. A doctor is concerned that a drug treatment causes people to run a fever. She recruited n = 50 participants and gave them the drug treatment. She then measured their body temperature 2 hours later. She wants to compare the average temperature of her sample to the population average body temperature of 98.6°F to see if the participants temperature is significantly different. Which statistical tests should she use? a. Z-test b. One-sample test c. Independent sample t-test d. Dependent sample t-test 49. A 7th grade science teacher would like to know if spending more time doing class experiments will help his students perform better on tests. In a day, he teaches 4 periods of science, so for his 1st and 3th period classes, he taught as he normally does with mostly lectures and occasional class experiments. For his 2nd and 4th period classes, he did a class experiment every day with minimal lectures. There was n = 25 different students in each of his classes. He then wanted to compare the exam averages between his classes to see if student performance was significantly different. Which of statistical tests should he use? a. Z-test b. One-sample test c. Independent sample t-test d. Dependent sample t-test
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