x y 10 8.04 8 6.95 13 7.58 9 8.81 11 8.33 14 9.96 6 7.23 4 4.26 12 10.84 5) The y-intercept of the least squares regression line is: A) 10.48 B) 18.05 C) 3.57 D) 0.46
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.
|
x |
y |
|
10 |
8.04 |
|
8 |
6.95 |
|
13 |
7.58 |
|
9 |
8.81 |
|
11 |
8.33 |
|
14 |
9.96 |
|
6 |
7.23 |
|
4 |
4.26 |
|
12 |
10.84 |
5) The y-intercept of the least squares regression line is:
A) 10.48
B) 18.05
C) 3.57
D) 0.46
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