REVIEW

The ages of children at a summer camp are recorded as follows: 10, 9, 8, 10, 10, 11, 12, 8, 8, 9, 9, 9, 10, 9, 10, 10, 11, 11, 10, 9, 9, 8. What is the total frequency of the given data?

• 20

• 21

• 22

• 23

What is the mode {6, 2, 4, 5, 3, 6, 4, 7, 5, 8, 9, 5}?

• 4

• 5

• 6

• 4 and 6

Your grades are 89, 88, 91, 85, 94, 90, 87, and 88. What is your GWA?

• 88

• 89

• 90

• 91

Ermie got the following scores in the fourth quarter quizzes: 12, 10, 16, x, 13, and 9. What must be her score on the 4th quiz to get an average of 12?

• 15
• 12

• 13

• 16

If the range of a set of scores is 10 and the lowest score is 6, what is the highest score?

• 16

• 17

• 14

• 15

What do you call the difference between the highest and lowest score?

• class boundaries

• class interval

• frequency

• range

It refers to the subcollection of elements drawn from a population.

• Statistics

• Population

• Census

• Sample

What do you call the person who is being observed in an observation?

• subject

• investigator

• scientist

• visitor

Standard deviation is the square root of?

• Range

• Variance

• Average deviation

• Total Frequency

It is collection of all elements to be studied, such as scores, people, measurements, etc.

• Statistics

• Population

• Census

• Sample