Mathematics, 19.12.2019 01:31 lilisncz
Exhibit b in order to determine whether or not there is a significant difference between the hourly wages of two companies, two independent random samples were selected and the following statistics were calculated. company a company b sample size 80 60 sample mean $6.75 $6.25 population standard deviation $1.00 $0.95 refer to exhibit b. the value of the test statistic is
a. 2.75
b. 0.098
c. 3.01
d. 1.645
Answers: 2
= Size of first sample
= Size of second sample
= Difference between two sample mean.
= standard deviation for population 1.
= standard deviation for population 2.
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Exhibit b in order to determine whether or not there is a significant difference between the hourly...
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