In: Statistics and Probability
Use the given data set to complete parts (a) through (c) below. (Use alphaαequals=0.05.)
x 10 88 13 99 11 14 66 44 12 77 55
y 9.13 8.13 8.74 8.77 9.26 8.09 6.12 3.09 9.13 7.26 4.74
a. construct a scatterplot.
b. find the linear correlation r, then determine whether it is sufficient evidence to support the claim of a linear correlation between the two variables.