Phoebe took a survey of her classmates' favorite sport. The results are in the table below: Preferred Sport Football Baseball Basketball Tennis Other Total Frequency 4 5 8 7 4 28 What is the relative frequency of survey members who prefer football?
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.
Phoebe took a survey of her classmates' favorite sport. The results are in the table below:
|
Preferred Sport |
|||||
|
Football |
Baseball |
Basketball |
Tennis |
Other |
Total |
Frequency |
4 |
5 |
8 |
7 |
4 |
28 |
What is the relative frequency of survey members who prefer football?
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