Statistics

The middle value when a data set is ordered from least to greatest.

• Median

• Mean

• Mode

• Range

What is the mean of the data set 2, 4, 7, 7, 10?

• 4

• 5

• 6

• 7

Assume 10 students got the following test scores:

58, 98, 81, 59, 67, 81, 94, 84, 46, 32. Find the median of the scores.

• 71

• 72

• 73

• 74

Assume 10 students got the following test scores:

58, 98, 81, 59, 67, 81, 94, 84, 46, 32. Find the mode of the scores.

• 32

• 94

• 81

• 67

The mean of a set of 40 numbers is 85, and the mean of another set of 50 numbers is 76.

What is the mean when the two sets are combined?

• 70

• 80

• 90

• 100

Type of central tendency measures which divides data set into 100 equal parts

• Quartiles

• Deciles

• Percentiles

• Multiple pile of data

Anna got a score of 55 which is equivalent to 70th percentile in a Mathematics test. Which of the following is NOT true?

• She scored above 70% of her classmates.

• Thirty percent of the class got scores of 55 and above.

• If the passing mark is the first quartile, she passed the test.

• Her score is below 5th decile.

In the set of 14, 17, 10, 22, 19, 24, 8, 12, and 19, the median score is ____

• 17

• 19

• 24

• 22

Number which occurs most often in a given set of numbers.

• Mean

• Median

• Mode

• Range

A collection or a set of possible outcomes of a random experiment.

• Standard Deviation

• Range

• Events

• Sample Space