Mathematics, 27.02.2020 20:27 elijahdouglass00
For a particular type of restaurant in a large city, the food ratings (from 0 to 30 points) had a mean of 21.43 and standard deviation of 3.01. The cost of a dinner (in U. S.dollars) had a mean of $79.29 and standard deviation of $20.57. The equation that predicts the cost of a dinner using the rating is y hat =0.2+3.7x. The correlation between these two variables is 0.54
a. Predict the cost of a dinner in a restaurant that gets the (i) lowest possible rating of 0, (ii) highest possible rating of 30.
b. Interpret the slope.
c. Interpret the correlation.
d. Show how the slope can be obtained from the correlation and other information given.
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For a particular type of restaurant in a large city, the food ratings (from 0 to 30 points) had a me...
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