Posted by **Jameson** on Thursday, June 21, 2012 at 3:15am.

A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.

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**PsyDAG**, Thursday, June 21, 2012 at 10:28am
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

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**raam**, Wednesday, June 27, 2012 at 6:47am
D^2 Y/DX^2 +9Y = 1/Cos(3x)

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**Anonymous**, Sunday, October 28, 2012 at 11:01am
FACTORIES A factory produces

6 motorcycles in 9 hours. Write a

proportion and solve it to find how

many hours it takes to produce

16 motorcycles.

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**hai**, Tuesday, March 19, 2013 at 2:52am
1 day 24 hours

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