Which are the correct null and alternative hypotheses? O a. Ho: The average grade of the students is equal to 90. Ha: The average grade of the students is less than 90. O b. Ho: The average grade of the students is less than 90. Ha: The average grade of the students is equal to 90. O c. Ho: The average grade of the students is greater than 90. Ha: The average grade of the students is greater than 90. O d. Ho: The average grade of the students is not equal to 90. Ha: The average grade of the students is not equal to 90.
Which are the correct null and alternative hypotheses? O a. Ho: The average grade of the students is equal to 90. Ha: The average grade of the students is less than 90. O b. Ho: The average grade of the students is less than 90. Ha: The average grade of the students is equal to 90. O c. Ho: The average grade of the students is greater than 90. Ha: The average grade of the students is greater than 90. O d. Ho: The average grade of the students is not equal to 90. Ha: The average grade of the students is not equal to 90.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![The following are the average grade of a sample of 20 Senior High School students for the first semester. Test
the claim that the average grade of the students is LESS THAN 90. Use 5% level of significance.
91
88
93
95
95
85
89
93
89
91
91
92
89
89
84
87
88
88
89
93](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F923469ad-a8c6-48e1-bbfc-f9e0c4f4fe9b%2Fa7450767-9885-4646-9773-548580eb116a%2Fqni7o9w_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The following are the average grade of a sample of 20 Senior High School students for the first semester. Test
the claim that the average grade of the students is LESS THAN 90. Use 5% level of significance.
91
88
93
95
95
85
89
93
89
91
91
92
89
89
84
87
88
88
89
93
![Which are the correct null and alternative hypotheses?
O a.
Ho: The average grade of the students is equal to 90.
Ha: The average grade of the students is less than 90.
O b. Ho: The average grade of the students is less than 90.
Ha: The average grade of the students is equal to 90.
c.
Ho: The average grade of the students is greater than 90.
Ha: The average grade of the students is greater than 90.
O d. Ho: The average grade of the students is not equal to 90.
Ha: The average grade of the students is not equal to 90.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F923469ad-a8c6-48e1-bbfc-f9e0c4f4fe9b%2Fa7450767-9885-4646-9773-548580eb116a%2Fzg5yvo9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Which are the correct null and alternative hypotheses?
O a.
Ho: The average grade of the students is equal to 90.
Ha: The average grade of the students is less than 90.
O b. Ho: The average grade of the students is less than 90.
Ha: The average grade of the students is equal to 90.
c.
Ho: The average grade of the students is greater than 90.
Ha: The average grade of the students is greater than 90.
O d. Ho: The average grade of the students is not equal to 90.
Ha: The average grade of the students is not equal to 90.
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