The following table lists the ages of customers who purchased a cruise. Construct a stem-and-leaf diagram for the data. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.) Age of Customers Who Purchased a Cruise 33 45 67 21 63 69 72 62 55 23 39 44 77 65 46 50 34 36 42 45 51 51 28 40 41 52 52 34 Age of Customers who Purchased a Cruise
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 following table lists the ages of customers who purchased a cruise. Construct a stem-and-leaf diagram for the data. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.)
| 33 | 45 | 67 | 21 | 63 | 69 | 72 |
| 62 | 55 | 23 | 39 | 44 | 77 | 65 |
| 46 | 50 | 34 | 36 | 42 | 45 | 51 |
| 51 | 28 | 40 | 41 | 52 | 52 | 34 |
| Stems | Leaves |
|---|---|
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 |
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