the next subset which is answers d and e The following data give the heights in centimeters of a group of people. Height in centimeters 152 171 178 157 171 149 158 166 150 144 167 152 175 153 182 162 152 165 167 166 154 170 154 162 190 166 156 180 153 166 157 184 161 161 159
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.
Note: Provide the next subset which is answers d and e
The following data give the heights in centimeters of a group of people.
Height in centimeters
152 171 178 157 171 149 158 166 150
144 167 152 175 153 182 162 152 165
167 166 154 170 154 162 190 166 156
180 153 166 157 184 161 161 159 152
(d) Draw a cumulative frequency
(e) Comment on the skewness of the data.
In (b), (c) and (d), use class intervals of width 10 centimeters, starting from 140 cm.
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