Statistics basics

Front

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

Back

7.44

Front

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

Back

7

Front

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

Back

7 and 8

Front

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

Back

8

Front

How many 7th graders had an IQ score in the 81-90 range?

Back

13

Front

Calculate the relative frequency of having an IQ score in the 131-140 range. (200 7th graders were surveyed).

Back

4%

Front

How many data points are greater than 34?

Back

12

Front

In a discrete data, what name is given to the item occurring most frequently?

Back

Mode

Front

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

Back

8th item

Front

What is the class size of the class 15 - 30?

Back

15