Temperature Gas Usage (thm) 37 1250 39 1375 41 980 44 875 47 750 48 730 49 765 53 510 56 480 58 300 A) Graph data and find axis, line of best fit (get exact values, round to three decimal places as needed). B) Pick one independent point and calculate expected value. Compare results of observed value. C) Calculate r-value and explain in context.
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.
|
Temperature Gas Usage (thm) |
|
37 1250 |
|
39 1375 |
|
41 980 |
|
44 875 |
|
47 750 |
|
48 730 |
|
49 765 |
|
53 510 |
|
56 480 |
|
58 300 |
A) Graph data and find axis, line of best fit (get exact values, round to three decimal places as needed).
B) Pick one independent point and calculate expected value. Compare results of observed value.
C) Calculate r-value and explain in context.
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