Mathematics, 29.07.2019 21:10, lifewseth

The prices of a particular variety of rice, per kilo- gram, collected from 48 local stores in the suburban areas of a district vary with a mean of $3 and a standard deviation of $1.6. (a) construct a 95% confidence interval for the mean price. (b) with 95% confidence, what can we assert about the possible size of our error if we estimate the mean price of rice for all the stores in the area as $

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The prices of a particular variety of rice, per kilo- gram, collected from 48 local stores in the su...