2. Researchers looking at age and lifetime assault victimization interviewed nine adults and found the following values: X1: Age 18 20 19 25 44 23 67 51 33 X2: Number of times assaulted in lifetime 1 4 8 0 6 2 3 10 a. Calculate Pearson's r for the two variables recorded above. b. Calculate Spearman's r for the same data.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
icon
Related questions
Question
2. Researchers looking at age and lifetime assault victimization interviewed nine adults
and found the following values:
X1: Age
18 20
19 25
44
23
67 51
33
X2: Number of times assaulted in lifetime
1
4 8 0 6
2
9
3
10
a. Calculate Pearson's r for the two variables recorded above.
b. Calculate Spearman's r for the same data.
c. Illustrate the sample distribution on a scatterplot.
d. Which of the two correlation coefficients is more appropriate, in your opinion, for this case?
Refer to the scatterplot in explaining
Transcribed Image Text:2. Researchers looking at age and lifetime assault victimization interviewed nine adults and found the following values: X1: Age 18 20 19 25 44 23 67 51 33 X2: Number of times assaulted in lifetime 1 4 8 0 6 2 9 3 10 a. Calculate Pearson's r for the two variables recorded above. b. Calculate Spearman's r for the same data. c. Illustrate the sample distribution on a scatterplot. d. Which of the two correlation coefficients is more appropriate, in your opinion, for this case? Refer to the scatterplot in explaining
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill