Question 138295
A certain broakerae huse wants to estimate the mean daily return on a certain stock.  A random sample of 17 days yields the following percentateS:
-1.2, -1.84, -2.93, -1.39,, 0.22, -1.64, -1.56, 1.31, 2.77, 2.69, 2.65, 2.98, -0.56, 2,8, -099, 0.39 and 0,14
If we assume that the return are normally distirbued find a 95% confidendce interval for the mean daily return on this stock.
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comment: I assume the -099 in the listing was really -0.99
Since you want a quick answer I threw the data into a calculato to get:
What is the lower limit on the confireence interval: -0.7179
What is the upper limit of the confidence interval: 1.2744
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The mean of the data was 0.27829...
E was 0.996106...
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Hope that helps.
Cheers,
Stan H.