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The residents of a housing development for senior citizens have completed a survey in which they indicated how physically active they are and how many visitors they receive each week.
a. Draw a scatterplot.b. Compute the pearson correlation r.c. Are these two variables related for the 10 cases reported here?d. Compute b0 and b1 and find the least-squares regression line.e. Interpret the r2.f. Using the least-squares regression line, what would be the predicted number of visitors for a senior citizen whose level of activity was 5? How about a person who scored 18 on level of activity?g. Referring to item f), is there a problem of predicting number of visitors using the regression line? Explain briefly your answer.
Case Level of Activity Number of VisitorsA 10 14B 11 12C 12 10D 10 9E 15 8F 9 7G 7 10H 3 15I 10 12J 9 2
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