Homework Help: statistics

Posted by Shawnie on Tuesday, June 14, 2011 at 11:58am.

Employees in a large computer firm claim that the mean salary of the firm’s programmers is less than that of its competitors. The competitor’s salary is $47,000. A random sample of 30 of the firm’s programmers has a mean salary of $46,500 with a standard deviation of 5500. Calculate the test statistic for the hypothesis: Ho: mean >= 47000, H1: mean < 47000

statistics - Writeacher, Tuesday, June 14, 2011 at 12:01pm
Shawnie or Eric or whoever --

Don't bother switching names; it serves no purpose.

I am not sure we have anyone here who deals with statistics, but I'm pretty sure no one will reply until he/she knows what YOU THINK about each problem. Please post your thoughts and/or specific questions, and someone might be able to help.

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