Best Places for Dating. Sperling's Best Places published the list of best places for dating in America. The table shows the top 10 places, along with the overall dating score and a set of predictor variables. Use this information for Exercises 57–59.

City Percentage
18–24 years
old
Percentage
18–24 who
are single
Online
dating
score
Austin 100.0 13.4% 81.2% 77.8
Colorado
Springs
88.7 10.5% 74.2% 88.9
San Diego 84.0 11.3% 79.4% 77.4
Raleigh 80.7 11.6% 82.9% 79.2
Seattle 78.7 9.0% 83.9% 100.0
Charleston 78.7 11.2% 82.7% 66.9
Norfolk 77.0 11.2% 75.6% 82.9
Ann Arbor 75.5 12.9% 90.3% 51.1
Springfield 75.2 11.7% 89.8% 63.5
Honolulu 75.2 10.1% 82.3% 50.2

Question 4.57

bestdating

57. Construct and interpret a scatterplot for each of the following predictor variables versus the overall dating score:

  1. Percentage 18–24 years old
  2. Percentage 18–24 years old who are single
  3. Online dating score

4.1.57

(a)

image

The percentage of 18- to 24-year-olds in a city and the overall dating score in a city have a positive linear relationship.

(b)

image

The percentage of a city's residents who are 18- to 24-year-olds and single and the overall dating score of a city have a negative linear relationship.

(c)

image

The online dating score of a city and the overall dating score of a city have a positive linear relationship.