Question
A researcher wants to examine the relationship between the annual electricity costs ($000) per house , the number of solar panels on a house and
A researcher wants to examine the relationship between the annual electricity costs ($000) per house , the number of solar panels on a house and the number people per house.EXCEL was used to create the following multiple linear regression output.
Regression StatisticsMultiple R0.97R Square0.94Adjusted R Square0.93Observations10CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Intercept1.220.1757.030.000.811.63Age-0.150.02-10.270.00-0.19-0.12People per house0.070.032.630.030.010.14
A)Write down the 95% confidence interval to estimate the population coefficient of People per house.Do NOT interpret.
B)Test for a positive linear relationship between annual electricity cost and people per house, giving hypotheses and using a 1% level of significance.
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Physics
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
2nd edition
978-0077339685
