University Registrar office wants to see if the proportions of undergraduate students that will graduate in 2017 and 2018 and who plan to continue their studies at University are equal or not. For that purpose, they collect samples of 50 people from each group. Out of the 2017 group, 20 answered yes. Out of 2018, 25 answered yes. At alpha 0.05, are the population proportions equal or not? Select one: a. Reject Null, Z stat =1.96 b. Fail to reject Null, Z stat= 1.005 c. Fail to reject Null, Z stat =1.96 d. Reject Null, Z stat= 1.005
University Registrar office wants to see if the proportions of undergraduate students that will graduate in 2017 and 2018 and who plan to continue their studies at University are equal or not. For that purpose, they collect samples of 50 people from each group. Out of the 2017 group, 20 answered yes. Out of 2018, 25 answered yes. At alpha 0.05, are the population proportions equal or not? Select one: a. Reject Null, Z stat =1.96 b. Fail to reject Null, Z stat= 1.005 c. Fail to reject Null, Z stat =1.96 d. Reject Null, Z stat= 1.005
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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University Registrar office wants to see if the proportions of undergraduate students that will graduate in 2017 and 2018 and who plan to continue their studies at University are equal or not. For that purpose, they collect samples of 50 people from each group. Out of the 2017 group, 20 answered yes. Out of 2018, 25 answered yes. At alpha 0.05, are the population proportions equal or not?
Select one:
a.
Reject Null, Z stat =1.96
b.
Fail to reject Null, Z stat= 1.005
c.
Fail to reject Null, Z stat =1.96
d.
Reject Null, Z stat= 1.005
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