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(52903)   (Show Source):
You can put this solution on YOUR website! .
(1) Go to GOOGLE
(2) Input "correlation coefficient online solver" in the GOOGLE search line
(3) Run GOOGLE search engine.
(4) Look into numerous web-sites that GOOGLE will offer to you.
(5) Select which one looks the best to you.
(6) Read the instructions of this web-site.
By the way, good web-sites even present the full theory to their calculations.
(7) Input your data into the solver.
(8) Get the answer and do everything you need with it.
---------------
After completing reading my instructions, post your deepest "THANKS" to me
for my teaching and for these super-universal and super-useful instructions.
|
|
|
