SOLUTION: 6. The number of visitors to a cycle track and the number of drinks sold by a café at the location are recorded in the table below. Number of visitors 32 45 39 43 58 84 65 D

Algebra ->  Statistics  -> Linear-regression -> SOLUTION: 6. The number of visitors to a cycle track and the number of drinks sold by a café at the location are recorded in the table below. Number of visitors 32 45 39 43 58 84 65 D      Log On


   



Question 1174172: 6. The number of visitors to a cycle track and the number of drinks sold by a café at the
location are recorded in the table below.
Number of
visitors
32 45 39 43 58 84 65
Drinks sold 17 20 23 7 24 49 38
a. Identify the dependent and independent variable.
b. Calculate the correlation coefficient and comment on the value of r.
c. Calculate the regression line equation.
d. Using the equation, estimate the number of drinks that will be sold, if there are 50
visitors on a particular day.

Answer by ikleyn(52778) About Me  (Show Source):
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