The t test for the difference between the means of two samples makes what assumption? a Samples are randomly and independently drawn b All the options c Sample variance are equal d Populations are approximately normally distributed
The t test for the difference between the means of two samples makes what assumption? a Samples are randomly and independently drawn b All the options c Sample variance are equal d Populations are approximately normally distributed
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Question
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The t test for the difference between the means of two samples makes what assumption?
a
|
Samples are randomly and independently drawn
|
b
|
All the options
|
c
|
Sample variance are equal
|
d
|
Populations are approximately
|
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