An employment information service claims the near annual pay for full time male workers over age 25 and without a high school diploma is $22,300. The annual pay for a random sample of 10 full-time male workers over age 25 and without a high school diploma is listed. At α=0.05, test the claim that the mean salary is $22,300. Assume that the annual pay is normally distributed.
20,654 21,138 22,355 21,395 22,975 16,912 19,156 23,193 24,180 26,285
a) The mean and standard deviation of the sample are
(a) 218,243 and 2,628.935
(b) 21,824.3 and 6,911,298
(c) 218,243 and 6,911,298
(d) 21,824.3 and 2,628.935
(e) None of the above
(b)The value of the test statistic is
(a)-0.57
(b)-0.18
(c) 0.57
(d) 0.18
(e)-0.0002
(c)The rejection region is
(a)(-∞,-1.96]U[1.96, ∞)
(b) (-∞,-1.645]U[1.645, ∞)
(c)(-∞,-2.262]U[2.262, ∞)
(d)(-∞,-1.833]U[1.833, ∞)
(d)The decision is
(a)Reject the null hypothesis
(b)Fail to reject the null hypothesis
a)
(d) 21,824.3 and 2,628.935
b)
(a)-0.57
c)
(c)(-∞,-2.262]U[2.262, ∞)
d)
(b)Fail to reject the null hypothesis
An employment information service claims the near annual pay for full time male workers over age...
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