Question
Consider the scatter diagram in figure to the right. a. Which point is an outlier? Ignoring the outlier, 10 estimate or compute the correlation coefficient for the remaining points b. Now include the outlier. How does the outlier 05 data set. 0.0 0 5 a. The outlier is the point 1.0 (Type an ordered pair. Round to the nearest tenth as needed) Ignoring the outlier, compute the correlation coefficient for the remaining points. Choose the correct answer below O A. 0.50 OB. 1.00 O C. 1.00 OD, 0.00 Click to select your answer(s). ype here to search
Explanation / Answer
Answer:
a).
The outlier point is ( 0.1, 0.8)
Ignoring the outlier, the correlation is
D. 0.00
b).
A. The outlier makes the correlation coefficient negative.
The correlation coefficient for the complete data set
B. -0.53