Energy consumption: The following table presents the average annual energy expenditures (in dollars) for housing units of various sizes (in square feet). Size Energy Expenditure 250 1153 750 1256 1250 1696 1750 1830 2250 2016 2750 2150 3250 2217 3750 2534 (a) Compute the coefficient of determination. Round the answer to at least three decimal places. The coefficient of determination i
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
Energy consumption: The following table presents the average annual energy expenditures (in dollars) for housing units of various sizes (in square feet).
| Size | Energy Expenditure |
|
250
|
1153
|
|
750
|
1256
|
|
1250
|
1696
|
|
1750
|
1830
|
|
2250
|
2016
|
|
2750
|
2150
|
|
3250
|
2217
|
|
3750
|
2534
|
(a) Compute the coefficient of determination. Round the answer to at least three decimal places.
The coefficient of determination i
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