The list below shows the ages (in years) of 8 people riding in a van to a math competition. Calculate the mean age of the people in the van. Round your answer to the nearest tenth of a year. ages 15 13 11 13 10 15 9 37 Mean = years (Please round your answer to the nearest tenth.) Median = years (Please enter an exact answer.)
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 list below shows the ages (in years) of 8 people riding in a van to a math competition. Calculate the mean age of the people in the van. Round your answer to the nearest tenth of a year.
| ages | 15 | 13 | 11 | 13 | 10 | 15 | 9 | 37 |
|---|
Mean = years (Please round your answer to the nearest tenth.)
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