A suburban drug store manager thinks that its daily sales are related to number of customers who visit its premises daily. To check on this, it collects data on number of customers for each day and daily sales. The data are shown in table below.
A. Draw scatter plot of the data.
B. Make an equation showing how daily sales are related to the number of customers for each day.
C. Predict the daily sales when 450 customers visit store.
Number of customers per day: 100, 200, 300, 400, 500
Daily Sales (in $1000): 1000, 1,000 2,000, 2,000 4,000