b) Tabulate the following marks in a grouped frequency distribution. 74 (49, 103 95 90 118 52 88 101 96 72 56 64 110 97 59 62 96 82 65 85 105 116 91 83 99 52 76 84 89 77 104 96 84 62 58 66 100 80 54 75 55 99 104 78 66 96 83 57 60 51 114 120 121 92 88 64 63 95 78
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.
TABULATE THE FOLLOWING MARKS IN GROUPED FREQUENCY DISTRIBUTION
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