[See Solution] I made a list of some of my childhood friends to see if there is a relationship between the number of letters in their first name and the
Question: I made a list of some of my childhood friends to see if there is a relationship between the number of letters in their first name and the number of letters in their last name.
| x | y | ||||||
| Alissa Gladstone | 6 | 9 | |||||
| Andrea Lane | 6 | 4 | |||||
| Batsheva Wachtfogel | 9 | 10 | |||||
| Beverly Greenfield | 7 | 10 | |||||
| Blair Cohen | 5 | 5 | |||||
| Cherie Hsu | 6 | 3 | |||||
| Eve Jochnowitz | 3 | 10 | |||||
| Leigh Zirofsky | 5 | 8 | |||||
| Liza Bloom | 4 | 5 | |||||
| Nadeen Csakany | 6 | 7 | |||||
| Ruth Danowitz | 4 | 8 | |||||
| Ruth Fremson | 4 | 7 | |||||
| Tamara Milner | 6 | 6 |
Which would be the independent variable and which would be the dependent variable? Why?
Put the variables in the 2 nd and 3 rd columns in the table. You can use the rest of the table for calculations.
Make a scatterplot.
Calculate the trendline and put it on the graph.
Calculate r and r 2 . How strong is the relationship? Is it positive, negative, or neither?
Deliverable: Word Document 