The ages(in years) of 10 men and their systolic blood pressures (in millimeters of mercury) are shown in the data table below Age Systolic blood pressure x (squared) y (squared) x times y 16 109 24 122 37 143 44 130 49 200 65 185 69 199 31 131 58 175 22 117 sum x sum y sum x (squared) sum y (squared) sum x times y finish the chart find the coefficient of determination interpret coefficient of determination Find coefficient of alienation interpret coefficient of alienation (I have done this already but I think my works looks incorrect need to know if I am doing this right)
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 ages(in years) of 10 men and their systolic blood pressures (in millimeters of mercury) are shown in the data table below
|
Age |
Systolic blood pressure |
x (squared) |
y (squared) |
x times y |
|
16 |
109 |
|
|
|
|
24 |
122 |
|
|
|
|
37 |
143 |
|
|
|
|
44 |
130 |
|
|
|
|
49 |
200 |
|
|
|
|
65 |
185 |
|
|
|
|
69 |
199 |
|
|
|
|
31 |
131 |
|
|
|
|
58 |
175 |
|
|
|
|
22 |
117 |
|
|
|
| sum x | sum y | sum x (squared) | sum y (squared) | sum x times y |
finish the chart
find the coefficient of determination
interpret coefficient of determination
Find coefficient of alienation
interpret coefficient of alienation
(I have done this already but I think my works looks incorrect need to know if I am doing this right)
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