Question

A statistics practitioner wishes to test the following hypothesis: H0 : ì = 600 against H1 : ì < 600
A sample of 50 observations yielded the statistics: mean x = 585 and standard deviation sx = 45. The
test statistic of a test to determine whether there is enough evidence at the 10% significance level to reject
the null hypothesis is
(1) 2.3570
(2) 0.3333
(3) 16.6667
(4) 23.570
(5) −2.3570

Answer 1

Judy, Sarah, Sam, Cindy, Joseph or whomever. First, we like for you to use the same screen name. It makes it easier for us to keep up with the questions.
Second, you are unlikely to get repsonses when you show no work.

Answer 2

4. 23.570