The table below shows the respective heights x and y of a sample of 12 fathers and their oldest sons. (a) Construct a scatter diagram. (b) Find the regression line of y on x. (C) Find the height of the father if the height of the son is 60 inches. Height x of Father (inches) 65 63 67 64 68 62 70 66 68 67 69 71 Height y of Son (inches) 68 66 68 65 69 66 68 65 71 67 68 70
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.
 alt="Height x of Father (inches)
65
63
67
64
68
62
70
66 68
67
69 71
Height y of Son (inches)
68
66
68
65
69
66
68
65 71
67
68
70
y
ху
y?
65
68
4225
4420
4624
63
66
3969
4158
4356
67
68
4489
4556
4624
64
65
4096
4160
4225
68
69
4624
4692
4761
62
66
3844
4092
4356
70
68
4900
4760
4624
66
65
4356
4290
4225
68
71
4624
4828
5041
67
67
4489
4489
4489
69
68
4761
4692
4624
71
70
5041
4970
4900
Er = 800
Ey = 811
Er = 53,418
E = 54,107
Ey = 54,849
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
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