You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. You sample 35 night students, and the sample mean GPA is 2.44 with a standard deviation of 0.33. You sample 60 day students, and the sample mean GPA is 2.21 with a standard deviation of 0.45. Test the claim using a 5% level of significance. Assume the population standard deviations are unequal and that GPAS are normally distributed. Give answer to at least 4 decimal places. What are the correct hypotheses? Ho: Select an answer = Select an answer ✓ H₁: Select an answer ✓ ? Select an answer ✓ Based on the hypotheses, find the following: Test Statistic =
You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. You sample 35 night students, and the sample mean GPA is 2.44 with a standard deviation of 0.33. You sample 60 day students, and the sample mean GPA is 2.21 with a standard deviation of 0.45. Test the claim using a 5% level of significance. Assume the population standard deviations are unequal and that GPAS are normally distributed. Give answer to at least 4 decimal places. What are the correct hypotheses? Ho: Select an answer = Select an answer ✓ H₁: Select an answer ✓ ? Select an answer ✓ Based on the hypotheses, find the following: Test Statistic =
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
Related questions
Question
![You are testing the claim that the mean GPA of night students is different from the mean GPA of day
students. You sample 35 night students, and the sample mean GPA is 2.44 with a standard deviation of
0.33. You sample 60 day students, and the sample mean GPA is 2.21 with a standard deviation of 0.45. Test the
claim using a 5% level of significance. Assume the population standard deviations are unequal and that GPAs
are normally distributed. Give answer to at least 4 decimal places.
What are the correct hypotheses?
Ho: Select an answer ✓
H₁: Select an answer ✓ ? ✓ Select an answer ✓
Based on the hypotheses, find the following:
Test Statistic =
= Select an answer ✓
Critical Values = +
(Just enter the positive CV.)
The correct decision is to Select an answer
The correct summary would be: Select an answer
students is different from the mean GPA of day students.
that the mean GPA of night](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F509e5958-8244-4a2f-8465-f7fef11461d8%2F3c3a6966-3a40-4573-83cd-8d274ce49ea3%2Fsd6q0o_processed.png&w=3840&q=75)
Transcribed Image Text:You are testing the claim that the mean GPA of night students is different from the mean GPA of day
students. You sample 35 night students, and the sample mean GPA is 2.44 with a standard deviation of
0.33. You sample 60 day students, and the sample mean GPA is 2.21 with a standard deviation of 0.45. Test the
claim using a 5% level of significance. Assume the population standard deviations are unequal and that GPAs
are normally distributed. Give answer to at least 4 decimal places.
What are the correct hypotheses?
Ho: Select an answer ✓
H₁: Select an answer ✓ ? ✓ Select an answer ✓
Based on the hypotheses, find the following:
Test Statistic =
= Select an answer ✓
Critical Values = +
(Just enter the positive CV.)
The correct decision is to Select an answer
The correct summary would be: Select an answer
students is different from the mean GPA of day students.
that the mean GPA of night
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Follow-up Questions
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The answers are not clearly written above, can they be written clearly in a better format?
![You are testing the claim that the mean GPA of night students is different from the mean GPA of day
students. You sample 35 night students, and the sample mean GPA is 2.44 with a standard deviation of
0.33. You sample 60 day students, and the sample mean GPA is 2.21 with a standard deviation of 0.45. Test the
claim using a 5% level of significance. Assume the population standard deviations are unequal and that GPAs
are normally distributed. Give answer to at least 4 decimal places.
What are the correct hypotheses?
Ho: Select an answer ✓ = Select an answer
H₁: Select an answer ✓ ? ✓ Select an answer ✓
Based on the hypotheses, find the following:
Test Statistic =
Critical Values
= ±
(Just enter the positive CV.)
The correct decision is to Select an answer
The correct summary would be: Select an answer
students is different from the mean GPA of day students.
✓that the mean GPA of night](https://content.bartleby.com/qna-images/question/8b4b9d1f-c545-4e50-8c11-06e5bbb743d2/079b80f6-8bdd-44ca-a205-c5fa14b3b131/irlnk3s_thumbnail.png)
Transcribed Image Text:You are testing the claim that the mean GPA of night students is different from the mean GPA of day
students. You sample 35 night students, and the sample mean GPA is 2.44 with a standard deviation of
0.33. You sample 60 day students, and the sample mean GPA is 2.21 with a standard deviation of 0.45. Test the
claim using a 5% level of significance. Assume the population standard deviations are unequal and that GPAs
are normally distributed. Give answer to at least 4 decimal places.
What are the correct hypotheses?
Ho: Select an answer ✓ = Select an answer
H₁: Select an answer ✓ ? ✓ Select an answer ✓
Based on the hypotheses, find the following:
Test Statistic =
Critical Values
= ±
(Just enter the positive CV.)
The correct decision is to Select an answer
The correct summary would be: Select an answer
students is different from the mean GPA of day students.
✓that the mean GPA of night
Solution
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