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Question 43

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A small university is concerned with monitoring the electricity usage in its Student Center, and its officials want to better understand what influences the amount of electricity used on a given day. They collected data on the amount of electricity used in the Student Center each day and the daily high temperature for nearly a year. They also made note of whether each day was a weekend or not (1 = Saturday/Sunday and 0 = Monday - Friday) . Regression output is provided.
Helpful notes: 1) electricity usage is measured in kilowatt hours, 2) during the cold months the Student Center is heated by gas, not electricity, and 3) air conditioning the building during the warm months does use electricity.
The regression equation is Electricity = 83.6 + 0.529 High Temp - 25.2 Weekend
Use the following to answer questions : A small university is concerned with monitoring the electricity usage in its Student Center, and its officials want to better understand what influences the amount of electricity used on a given day. They collected data on the amount of electricity used in the Student Center each day and the daily high temperature for nearly a year. They also made note of whether each day was a weekend or not (1 = Saturday/Sunday and 0 = Monday - Friday) . Regression output is provided. Helpful notes: 1) electricity usage is measured in kilowatt hours, 2) during the cold months the Student Center is heated by gas, not electricity, and 3) air conditioning the building during the warm months does use electricity. The regression equation is Electricity = 83.6 + 0.529 High Temp - 25.2 Weekend S = 29.8162 R-Sq = 24.7% R-Sq(adj) = 24.2% Analysis of Variance -How many days are included in the sample? A) 365 B) 311 C) 312 D) 313
S = 29.8162 R-Sq = 24.7% R-Sq(adj) = 24.2%
Analysis of Variance
Use the following to answer questions : A small university is concerned with monitoring the electricity usage in its Student Center, and its officials want to better understand what influences the amount of electricity used on a given day. They collected data on the amount of electricity used in the Student Center each day and the daily high temperature for nearly a year. They also made note of whether each day was a weekend or not (1 = Saturday/Sunday and 0 = Monday - Friday) . Regression output is provided. Helpful notes: 1) electricity usage is measured in kilowatt hours, 2) during the cold months the Student Center is heated by gas, not electricity, and 3) air conditioning the building during the warm months does use electricity. The regression equation is Electricity = 83.6 + 0.529 High Temp - 25.2 Weekend S = 29.8162 R-Sq = 24.7% R-Sq(adj) = 24.2% Analysis of Variance -How many days are included in the sample? A) 365 B) 311 C) 312 D) 313
-How many days are included in the sample?


A) 365
B) 311
C) 312
D) 313

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