We heard that the mean marks of statistics of 100 students of a class of economics majors were 72. The mean marks of Males were 75 while their number was 70. Work out the mean of Females in the class.
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.
We heard that the mean marks of statistics of 100 students of a class of economics majors were 72. The mean marks of Males were 75 while their number was 70. Work out the mean of Females in the class.
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