Stats Help

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Stats Help Anonymous Thu Nov 30 08:06:52 2017 No.9332243 [Reply] [Original]

doing some statistics homework and I cant find the help Im looking for. can one of you walk me thru this?

>>	Anonymous Thu Nov 30 08:09:47 2017 No.9332246 >literally asks for help with homework >doesn't even post the problem ... bait?

>>	Anonymous Thu Nov 30 08:16:27 2017 No.9332255 >>9332243 >>>/sqt/

Anonymous Thu Nov 30 08:16:37 2017 No.9332256

>>9332246
Was going to send photo thru phone, but didnt work. First question is

> The president of a college is concerned that the average GPA of graduates from her school is below 2.0. You collect a random sample of 150 students and find their MEAN gpa is 1.96 with a Standard Deviation of 0.25. Is her concern justified?

A) Clearly state the null and alt hypothesis for test

>>	Anonymous Thu Nov 30 08:58:32 2017 No.9332301 >>9332256 Null hypothesis =what youre testing Null hypothesis: mean test score = 2 Alt hypothesis: mean test score < 2 (if it's a one sided test)

>>	Anonymous Thu Nov 30 17:14:28 2017 No.9333396 Yes, for money

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