Stats Review

Front

What is the RANGE in a data set?

Back

The RANGE is the difference between the highest and lowest values in a data set.

Front

Calculate the RANGE for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

Back

8

Front

What is the MEDIAN in a data set?

Back

The MEDIAN is the middle value when the data set is arranged in ascending order.

Front

Calculate the MEDIAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

Back

7

Front

How do you find the median in a data set with an odd number of items?

Back

For a data set with an odd number of items, the median is the value at the (n+1)/2 position when arranged in order.

Front

For a data containing 15 items arranged in ascending order, what item is the median of the data?

Back

8th item

Front

How do you find the median in a data set with an even number of items?

Back

For a data set with an even number of items, the median is the average of the two middle values.

Front

If the median of the data 4, 7, x-1, x-3, 16, 25 written in ascending order is 13, what is x?

Back

15

Front

What is the MEAN in a data set?

Back

The MEAN is the average of all values in a data set, calculated by dividing the sum of the values by the number of values.

Front

Calculate the MEAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

Back

7.44