Question

Ozone	Population
126	0.6
135	3.9
124	0.2
128	0.5
130	2.3
128	0.7
126	1.1

We wish to study the effect that the size of various U.S. cities have over ozone concentrations. The size of the populations correspond to the last census (in millions of inhabitants), and the average quantity of ozone per hour was determined in (parts per thousand millions);

a) Identify the variables X and Y and analyze if the variables are linearly related.

b) Determine the line of regression and interpret the coefficients of the line.

c) Estimate the average quantity of ozone per hour in a population of 1.000.000 inhabitants.

Answer 1

After importing the data form Excel analysis is done in R

R codes with the output and Explaination is given below