For questions 1-3, use the following scatterplot to answer the questions. Use the following data set to answer questions 1
3:
Sales vs. Number of Customers
2.500
2,000
1,500
Sales (dollars)
1,000
500
0
10 20 30 40 50 60 70 80 90 100
Number of customers
1. Using the above
scatterplot, does there
seem to be a positive
correlation, a negative
correlation, or no
correlation between
the number of
customers and sales?
2. Using the above
scatterplot, what are
the explanatory
variable and the
response variable?
3. Using the above
scatterplot, what is a
reasonable prediction
for sales when there
are 45 customers?