Mathematics, 18.11.2019 18:31 EmiHope
You are given the following information obtained from a random sample of 5 observations.20 18 17 22 18at 90% confidence, you want to determine whether or not the mean of the population from which this sample was taken is significantly less than 21. (assume the population is normally distributed.)
a. state the null and the alternative hypotheses.
b. compute the standard error of the mean.
c. determine the test statistic.
d. test to determine whether or not the mean of the population is significantly less than 21.
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You are given the following information obtained from a random sample of 5 observations.20 18 17 22...
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