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In: Statistics and Probability

Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her...

Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 79 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 6.5 and a standard deviation of 2.8. What is the 99% confidence interval for the number of chocolate chips per cookie for Big Chip cookies? Enter your answers accurate to 4 decimal places. [ , ] (Report and round to 4 decimal places)

Use the data values in the table below to calculate the correlation, r, between the variables x and y. Hint: Use technology to do this...you do not need to compute this by hand. x y 3 15.94 4 19.52 5 17.1 6 20.08 7 22.66 8 21.24 9 22.62 10 26.3 Give your answer to rounded three decimal places. r =

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