In the following table the weights of 40 male students at State University are recorded to the nearest pound. Construct a frequency distribution of the data given in Table 2. Table 2 138 164 150 132 144 125 149 157 146 158 140 147 136 148 152 144 168 126 138 176 163 119 154 165 146 173 142 147 135 153 140 135 161 145 135 142 150 156 145 128
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.
In the following table the weights of 40 male students at State University are recorded to the nearest pound. Construct a frequency distribution of the data given in Table 2.
Table 2
138 164 150 132 144 125 149 157
146 158 140 147 136 148 152 144
168 126 138 176 163 119 154 165
146 173 142 147 135 153 140 135
161 145 135 142 150 156 145 128
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