Shakela Viebster Monthly Sales & Advertising Costs
130
125
120
The slope of the trend line is 15. What does that mean
in regard to the data of the scatterplot? Check all that
apply.
The slope represents the rate of change of the data
Advertising costs increase $15,000 as sales
increase by $1,000.
Sales increase $15,000 as ads increase by $1,000
A positive slope infers a negative correlation
A positive slope infers a positive correlation
115
Sales ($1,000)
110
105
.
100
5.6
6 6.4
6.8
Advertising Costs ($1,000)