1)Â Â Â Â Â A personal director isinterested in studying the relationship (if any) between age andsalary. Sixteen employees are randomly selected and their age andsalary are recorded.
AGE AND SALARY |
AGE | SALARY (in Thousands of $) |
25 | $22 |
55 | $45 |
27 | $43 |
30 | $30 |
22 | $24 |
33 | $53 |
19 | $18 |
45 | $38 |
49 | $39 |
37 | $45 |
62 | $60 |
40 | $35 |
35 | $34 |
29 | $30 |
58 | $73 |
52 | $42 |
a)Â Â Â Â Â Plot the data points on ascatterplot.
b)     Determine the correlationcoefficient  Â
c)Â Â Â Â Â Â Describe the relationshipindicated by the correlation coefficient and the scatterplot.
d)Â Â Â Â Â If there is a linearrelationship, find the equation of the line of regression
e)Â Â Â Â Â Graph the line of regression onthe same axes where you constructed the scatterplot in (a)above
f)Â Â Â Â Â Â Use either your line ofregression or the equation of the line of regression to predictsalaries for Age = 50 and Age = 70.
