SOLUTION: The rip-off vending machine company operates coffee vending machines in several office in several office buildings.The company wants to study the relationship that exists between t

Question 1051577: The rip-off vending machine company operates coffee vending machines in several office in several office buildings.The company wants to study the relationship that exists between the number of cups of coffee sold per day and the number of persons working in each office.
data for study was collected by the company and presented below:
NUMBER OF CUPS SOLD :10,20,30,40,30,20,40,40,50,10,40,20
NUMBER OF PERSONS : 5, 6,14,19,15,11,18,22,26, 4,23,10
(The above is a table ,each cup sold had has the corresponding number of persons who drank the cups of coffee below it, seperated by a comma)
Question : Predict the number of cups of coffee that you would expect to sell if there are 45 people working in an office?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Putting Data into Excel Spreadsheet Columns, generating Scatter Plot/Trendline:

.
y = 1.7x + 4.6
x = 45
y = 1.7*45 + 4.6 = 81 cups
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