The data show the bug chirps per minute at different temperatures. Find the regression equation, letting the first variable be the independent (x) variable. Find the best predicted temperature for a time when a bug is chirping at the rate of 3000 chirps per minute. Use a significance level of 0.05. What is wrong with this predicted value? Chirps in 1 min 888 910 1071 844 1039 1241 Temperature (°F) 78.1 79.6 82.9 76.4 79.4 87.3 What is the regression equation? y=_______+_______x
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.
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Chirps in 1 min
|
888
|
910
|
1071
|
844
|
1039
|
1241
|
|
|---|---|---|---|---|---|---|---|
|
Temperature
(°F)
|
78.1
|
79.6
|
82.9
|
76.4
|
79.4
|
87.3
|
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