Question

size	Energy expenditure
250	1087
750	1228
1250	1583
1750	1798
2250	1939
2750	2138
3250	2172
3750	2315

a) What is the equation of the least-squares regression line?

b) what does the correlation of determination number tells you? explain, please.

e) based on this data, can we say that increasing the size of your house should increase your housing expenditures? explain why or why not.

2) what value is greater than 39% of the objects in the population? round your answer to two decimal places.

Answer 1

Question 2 : data needed