Refer to the accompanying scatterplot. a. Examine the pattern of all 10 points a
ID: 3325650 • Letter: R
Question
Refer to the accompanying scatterplot. a. Examine the pattern of all 10 points and subjectively determine whether there appears to be a strong correlation between x and y. b. Find the value of the correlation coefficient r and determine whether there is a linear correlation. C. Remove the point with coordinates (9,1) and find the correlation coefficient r and determine whether there is a linear correlation. d. What do you conclude about the possible effect from a single pair of values? Ay 10 Click here to view a table of critical values for the correlation coefficient. 10 a. Do the data points appear to have a strong linear correlation? No O Yes b. What is the value of the correlation coefficient for all 10 data points? r= (Simplify your answer. Round to three decimal places as needed.)Explanation / Answer
a) Correct Answer: Yes
b) r = -0.893
Correct answer: (B)
c) rxy = 0.000
Correct answer: (A)
d) Correct answer: Option (A) the effect from a signle pair of values cna chance the conclusion