Ascatter plot contains a trend line with a slope of 1/3. does this trend line illustrate a correlation? a. yes, there is a positive correlation. b. yes, there is a negative correlation. c. no, there is no correlation. d. there is not enough information.

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

What is the upper quartile in the box plot?

What does the sign of the slope tell you about a line?