The data show the number of points the winning team scored in a college football bowl game. Find the mean and modal class for the data. Class Frequency 14 - 21 12 22 - 29 11 30 - 37 6 38 - 45 9 46 - 53 4 54 - 61 2
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.
The data show the number of points the winning team scored in a college football bowl game. Find the mean and modal class for the data.
| Class | Frequency |
|---|---|
|
14
21
|
12
|
|
22
29
|
11
|
|
30
37
|
6
|
|
38
45
|
9
|
|
46
53
|
4
|
|
54
61
|
2
|
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