3. Suppose researchers conducted a study to see if the mean body temperature for adults was different from 98.6 degrees Fahrenheit. For this study, they took a random sample of 25 healthy adults and found a mean body temperature of 98.2 degrees Fahrenheit for the sample with a standard deviation of 0.6 degrees. The temperatures of the sample participants were unimodal and symmetric. a. Write the null hypothesis and alternative hypothesis and define your parameter. b. Show that the necessary conditions (Randomization Condition, 10% Condition, Nearly Normal Condition) are satisfied to perform a hypothesis test. Briefly explain how each condition is satisfied. c. Perform the hypothesis test and find the P-value. (To show your work: Write down which calculator you are using and what values you are entering into the calculator.) d. Is there strong evidence that the mean body temperature is different than 98.6 degrees? Briefly explain how you know.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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3. Suppose researchers conducted a study to see if the mean body temperature for adults
was different from 98.6 degrees Fahrenheit. For this study, they took a random sample
of 25 healthy adults and found a mean body temperature of 98.2 degrees Fahrenheit for
the sample with a standard deviation of 0.6 degrees. The temperatures of the sample
participants were unimodal and symmetric.
a. Write the null hypothesis and alternative hypothesis and define your parameter.
b. Show that the necessary conditions (Randomization Condition, 10% Condition,
Nearly Normal Condition) are satisfied to perform a hypothesis test. Briefly
explain how each condition is satisfied.
c. Perform the hypothesis test and find the P-value. (To show your work: Write
down which calculator you are using and what values you are entering into the
calculator.)
d. Is there strong evidence that the mean body temperature is different than 98.6
degrees? Briefly explain how you know.
Transcribed Image Text:3. Suppose researchers conducted a study to see if the mean body temperature for adults was different from 98.6 degrees Fahrenheit. For this study, they took a random sample of 25 healthy adults and found a mean body temperature of 98.2 degrees Fahrenheit for the sample with a standard deviation of 0.6 degrees. The temperatures of the sample participants were unimodal and symmetric. a. Write the null hypothesis and alternative hypothesis and define your parameter. b. Show that the necessary conditions (Randomization Condition, 10% Condition, Nearly Normal Condition) are satisfied to perform a hypothesis test. Briefly explain how each condition is satisfied. c. Perform the hypothesis test and find the P-value. (To show your work: Write down which calculator you are using and what values you are entering into the calculator.) d. Is there strong evidence that the mean body temperature is different than 98.6 degrees? Briefly explain how you know.
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