Create a 90% confidence interval estimate for the true population standard deviation for tuition fees for colleges and universities.   Fill in the following

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A school reform advocate wanted to estimate the population standard deviation in tuition fees for different colleges and universities.

In a study of 15 colleges and universities, the sample had a standard deviation of $1,287 in tuition fees.

Create a 90% confidence interval estimate for the true population standard deviation for tuition fees for colleges and universities.

 

Fill in the following blanks by computing the lower and upper boundaries for the confidence interval.  Round your final answer to the nearest whole number (to the nearest whole dollar). Only type in your numerical decimal answer, you do not need to include $ symbols.

 

 

 $ ____________    <       σ      <   $ ____________

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