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Mathematics, 23.12.2019 18:31, zb868469
Amarketing study was conducted to compare the mean age of male and femlae purchasers of a certain product. random and independent samples were selected fro both male and female purchasers of the product. it was desired to test to determine i the mean age of all female purchasers exceeds the mean age of all male purchasers. the sample data is shown here: female: n = 10, sample mean = 50.30, sample standard deviation = 13.215male: n = 10, sample mean = 39.80, sample standard deviation = 10.0401. find the rejection region when testing at alpha = 0.05.a. t ≥ 1.734b. t ≥ 2.101c. t ≥ 2.528d. t ≥ 1.330e. none of the above.
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