The correct statements are true about the curve are as follows;
The variance of the data set is 49.
The median is 64.
The data point 50 is two standard deviations away from the mean.
What is the standard deviation?
The standard deviation of a random variable, sample, statistical population, data set, or probability distribution is the square root of its variance.
The correct statements are true about the curve are as follows;
1. The variance of the data set is;
[tex]\rm \sigma ^2=7^2\\ \\ \sigma ^2=49[/tex]
The variance of the data set is 49.
2. The median is the middle value of the data set.
The median is 64.
3. The data point 50 is two standard deviations away from the mean.
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