The figure shows a scatterplot of the last two digits of some students€™ Social Security numbers and their ages.
a. If a regression line were drawn on this graph, would it have a positive slope, a negative slope, or a slope near 0?
b. Give an estimate of the numerical value of the correlation between age and Social Security number.
c. Explain what this graph tells us about the relation between Social Security number and age.

Transcribed Image Text:

100 801% 40.. 2 60 20- 0 20 25 30 35 40 45 50 Age (years)