A researcher was interested in the relationship between annual electricity bills ($000) of an office, average outside temperature

o

C

and office size (square metres). A random sample was selected, and data collected. EXCEL was used to create a multiple linear regression, with a portion of the output provided here:

Regression statistics

Multiple R

0.63

R square

0.3969

Observations

58

Coefficients

p-value

Lower 95%

Upper 95%

Intercept

1.32

3.17

0.13

3.99

Temperature

{tem}

0.02

0.13

1.7

Office size

3.01

0.03

2.29

5.05

What is the upper confidence limit for a 95% confidence interval for the coefficient of Office Size?Please give your answer correct to two decimal places and do NOT include units in your answer.

Answer