Briefly comment on the meaning of this data. Be sure to use the terms association, causation, outlier and influential in your response.

Age Groups Localities of Residence
Urban Suburban Rural Totals
Under 25 110 150 65

25-50 240 220 75

Over 50 53 112 58

Totals

(a) Compute the marginal frequencies. (List the totals for the age groups and localities).
(b) What percent of the urban dwellers are over 50?
(c) What percent of the Over-50 residents live in rural areas?
(d) Compute the percentage of:
i. Urban Dwellers
ii. Urban Dwellers, given they are Under 25
iii. Urban Dwellers, given they are 25-50
iv. Urban Dwellers, given they are Over 50

Based on your analyses, do you believe that these data indicate there is a relationship between locality of residence and the ages of the residences? Explain your answer.