Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. Lower limit= Upper limit=

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A certain brokerage house wants to estimate the mean daily return on a certain stock. A random sample of 12days yields the following return percentages 2.23, 1.76, 0.43, 0.99, −2.9, −0.35, 1.69, −0.1, −0.62, −1.48, −2.53, 1.15. If we assume that the returns are normally distributed, find a 95% confidence interval for the mean daily return on this stock. Give the lower limit and upper limit of the 95% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.

Lower limit=

Upper limit=

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