Statistics

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

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

Back

101-110

Front

What happens to the mean of a data set if 40 is added, given the original mean is 17.8?

Back

The mean would go up

Front

Can there be more than one mode?

Back

Yes

Front

The scores of a student in five tests were 10, 8, 13, x, and 9. Knowing that the mean of these five scores is 12, find x.

Back

20

Front

To obtain a grade A, Youseff’s mean score in five tests must be 85 or more. Youseff has scored 86, 94, 75 and 88 in four tests. What is his minimum mark in the fifth test to get a grade A?

Back

82

Front

The mean number of emails Adele received during a week was 51. The numbers received for the first six days were 39, 57, 70, 45, 71 and 32. Find how many emails she received on the seventh day.

Back

43

Front

Find the Median of the following chart: 3.3, 2.5, 4, 3.5

Back

4

Front

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

Back

7.44