Plot the points in the grid below, then sketch a line that best fits the data. 4812162024283248121620242832Q1Q2 Clear All Draw: Use the line above to predict the value of the second quiz score if a student had a score of 3030 on the first test. (Please enter a whole number)
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 is data for the first and second Quiz scores for 8 students in a class.
| First Quiz (Q1) | Second Quiz (Q2) |
|---|---|
| 11 | 11 |
| 13 | 14 |
| 16 | 12 |
| 17 | 14 |
| 21 | 20 |
| 25 | 25 |
| 26 | 21 |
| 29 | 27 |
Plot the points in the grid below, then sketch a line that best fits the data.
Use the line above to predict the value of the second quiz score if a student had a score of 3030 on the first test. (Please enter a whole number)
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