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Mathematics, 19.12.2019 20:31 darlene93
Astatistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. a sample of final examination scores from students enrolled today and from students enrolled five years ago was taken. you are given the following information.
today five years ago
82 88
σ2 112.5 54
n 45 36
refer to exhibit 10-3. the p-value for the difference between the two population means is
a) 0013
b) 0026
c) 4987
d) 9987
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Answers: 3
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