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what is the formula for standard deviation
(x-x(mean)squared over n-1 square root
what is the median of a data set
Median is the middle number of all the numbers in the set
What is the mode of a data set
The mode is the most common number featured in the data set
What is the range of a data set
The range is the difference between the highest and lowest number
What is the mean of a data set
The mean is all the numbers added up divided by the amount of numbers in the set
What happens if there isn’t a median because the data set it even
Then you add both the middle number and divide by 2
Which is the most reliable source to find the average number in the data set
Mean
