Question

In the offered table the data related to:

Income	Activities
1,250	35
1,400	38
1,375	31
1,825	45
1,175	20
1,740	39

With the variables of biweekly income and number of activities carried out by 6 people; find and analyze:

a) Linear scatter diagram
b) Correlation coefficient
c) Perform a null hypothesis test that the linear correlation coefficients in the universe are not significantly different from zero. Present the six steps learned, with a significance level of 0.05, for the t & F test
d) Linear regression equation for Ye
e) Error range
f) Estimate of the level of activities with an income of $1,600.

Answer 1

b)

c)

d)

We are allowed to solve four sub parts only.