A researcher takes sample temperatures in Fahrenheit of 16 days from Miami and 14 days from Atlanta. Use the sample data shown in the table. Test the claim that the mean temperature in Miami greater than the mean temperature in Atlanta. Use a significance level of α=0.10α=0.10. Assume the populations are approximately normally distributed with unequal variances. Note that list 1 is longer than list 2, so these are 2 independent samples, not matched pairs.   Miami Atlanta 68.3 73.6 83.1 69.3 79.1 54.9 72 81.1 72.8 78.6 83.3 54 82.7 36.1 80.7 44.3 87 58.4 83.1 50.8 77.4 60.5 86.1 61.2 76.3 46.8 74.5 54.4 83.3   78.5     The Null Hypotheses is: H0: μ1 - μ2 = 0 What is the alterative hypothesis? Select the correct symbols for each space. (Note this may view better in full screen mode.) HA: μ1 - μ2             Based on these hypotheses, find the following. Round answers to 4 decimal places. Test Statistic =  p-value =  The p-value is     The correct decision is to     . The correct summary would be:     the claim that the mean temperature in Miami greater than the mean temperature in Atlanta.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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A researcher takes sample temperatures in Fahrenheit of 16 days from Miami and 14 days from Atlanta. Use the sample data shown in the table.

Test the claim that the mean temperature in Miami greater than the mean temperature in Atlanta. Use a significance level of α=0.10α=0.10.
Assume the populations are approximately normally distributed with unequal variances.
Note that list 1 is longer than list 2, so these are 2 independent samples, not matched pairs.

 

Miami Atlanta
68.3 73.6
83.1 69.3
79.1 54.9
72 81.1
72.8 78.6
83.3 54
82.7 36.1
80.7 44.3
87 58.4
83.1 50.8
77.4 60.5
86.1 61.2
76.3 46.8
74.5 54.4
83.3  
78.5  

 

The Null Hypotheses is: H0: μ1 - μ2 = 0

What is the alterative hypothesis? Select the correct symbols for each space. (Note this may view better in full screen mode.)

HA: μ1 - μ2            

Based on these hypotheses, find the following. Round answers to 4 decimal places.

Test Statistic = 

p-value = 

The p-value is    

The correct decision is to     .

The correct summary would be:     the claim that the mean temperature in Miami greater than the mean temperature in Atlanta.

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