Final Exam (Statistics and Probability)

Mr. Sam asked his students to find the range of the following data:

5, 3, 7, 8, 10, 3, 4.

Which of the following students got the correct answer?

• Mandy answered 3

• Nora answered 10

• Mark answered 5.71

• Manuel answered 7

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

This refers to the amount that each score deviates from the mean.

• Mean

• Range

• Average deviation

• Standard Deviation

What do you call on the difference of the third and first quartiles?

• Range

• Average deviation

• Semi-interquartile range

• Variance

Tags

CCSS.6.SP.B.5C

When we get the average of the squared deviation of the data, we get____.

• Variance

• Standard deviation

• Range

• Average deviation

When we get the square root of the variance, we get the _____.

• Range

• Central tendencies

• Standard Deviation

• Mean

What is the most common preliminary indicator of variation and the easiest to determine of all the measures of variability?

• Mean

• Range

• Average deviation

• Standard deviation

Tags

CCSS.6.SP.A.3

Which of the following is NOT the characteristics of the range?

• It gives a quick approximation of the validity of the data.

• It is used when the mode is the preferred measure of central tendency.

• It is a challenging measure of variability.

• It is not very informative because it is based only on the most extreme scores.

Tags

CCSS.6.SP.A.3

In general, what is the sum of the deviation about the mean?

• 1

• -1

• 0

• 100

What is the mean average deviation of the following data 8, 4, 5, 9, 3?

• 6

• 5.8

• 2.16

• 9

Tags

CCSS.6.SP.B.5C

What is the mean average deviation of the following set of data?

• 6.4

• 7.4

• -0.74

• 0.49

Tags

CCSS.6.SP.B.5C