Mathematics
14.11.2020 00:25
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Online shopping. Online shopping statistics are routinely reported by www.shop.org.
Online shopping. Online shopping statistics are routinely reported by www.shop.org. Of interest to many online retailers are gender-based differences in shopping preferences and behaviors. The average monthly online expenditures are reported for males and females: Male Female n 45 45 Mean $350 $310 Standard deviation $95 $80 You suspect that male shoppers are spending more than the female shoppers.Which among the following test should you use? Group of answer choices
two sample z test
two sample pooled-t test (equal population standard deviation)
two sample t test with unequal population
standard deviation paired t test
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two sample z test
two sample pooled-t test (equal population standard deviation)
two sample t test with unequal population
standard deviation paired t test
AreYouMyNewDad
4,4(51 marks)
1.35
Step-by-step explanation:
D what's in parenthesis (2+1) = 3
Then do exponenets 3^2=9
Multiply 9 times 3 = 27
5 times 4=20
27 divided by 20= 1.35
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