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Consider the Following Printout X=xX = x X= gpa X = \text { gpa }

Question 128

Multiple Choice

Consider the following printout.
HYPOTHESIS: VARIANCE X=xX = x
X= gpa X = \text { gpa }
SAMPLE MEAN OF X=2.5516X = 2.5516
SAMPLE VARIANCE OF X =.24000= .24000
SAMPLE SIZE OF X=157X = 157
HYPOTHESIZED VALUE (x) =2.7( x ) = 2.7
VARIANCE Xx=.1484X - x = - .1484
z=3.79558z = - 3.79558
Is this a large enough sample for this analysis to work?


A) Yes, since the np>15n p > 15 and nq>15n q > 15 .
B) Yes, since n=157n = 157 , which is greater than 30 .
C) No.
D) Yes, since the population of GPA scores is approximately normally distributed.

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