Statistics

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

Calculate the relative frequency of having an IQ score in the 131-140 range. (200 7th graders were surveyed). Options: 8%, 4%, 20%, 15.5%

Back

4%

Front

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

Back

13

Front

What was the most common IQ range? Options: 91-100, 111-120, 12-130, 101-110

Back

101-110

Front

How many data points are greater than 34?

Back

12

Front

Calculate the 5 number summary for the following data.

Back

1791, 3162, 6163, 8578, 9400

Front

Find the Inter-Quartile Range (IQR).

Back

5416