Room and board costs for selected schools are summarized in this distribution. A Costs (in dollars) B Frequency 3000.5 - 4000.5 7 4000.5 - 5000.5 9 5000.5 - 6000.5 14 6000.5 - 7000.5 24 7000.5 - 8000.5 15 8000.5 - 9000.5 12 9000.5 - 10,000.5 4 Draw the percentile graph using class limits for the x-axis and the percentages for the y-axis. Round to the nearest percent.
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.
Room and board costs for selected schools are summarized in this distribution.
| A Costs (in dollars) |
B Frequency |
|---|---|
|
3000.5
4000.5
|
7
|
|
4000.5
5000.5
|
9
|
|
5000.5
6000.5
|
14
|
|
6000.5
7000.5
|
24
|
|
7000.5
8000.5
|
15
|
|
8000.5
9000.5
|
12
|
|
9000.5
10,000.5
|
4
|
Draw the percentile graph using class limits for the x-axis and the percentages for the y-axis. Round to the nearest percent.
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