Measures of Central Tendency & Variation

It is a single value that attempts to describe a set of data by identifying the central position within that set of data.

• Measures of Central Tendency

• Measures of Variation

• Measures of Position

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

What is the commonly used measure of central tendency?

• Mode

• Median

• Mean

Tags

CCSS.HSS.ID.A.2

CCSS.6.SP.B.5D

It is also equivalent to fiftieth percentile.

• Mean

• Median

• Mode

It is the number that has the highest frequency.

• Mode

• Mean

• Median

Tags

CCSS.HSS.ID.A.2

CCSS.6.SP.B.5D

What is the type of mode found in the following data: 3, 5, 20, 2, 3, 11, 18, 5, 13?

• Unimodal

• Bimodal

• Multimodal

What is the average height of the following students whose height are 6.5, 5.3, 3.4, 4, and 5.5?

• 4.82

• 5.93

• 4.94

• 4.52

Tags

CCSS.6.NS.B.3

What is the median age of a group of employees whose ages are 32, 37, 30, 43, 29 and 31?

• 30

• 31

• 31.5

• 30.5

Tags

CCSS.6.SP.B.5C

Which measure of central tendency is greatly affected by extreme scores?

• Mode

• Median

• Mean

• none of these

Tags

CCSS.HSS.ID.A.2

CCSS.6.SP.B.5D

Jade has grades of 91 and 90 in Math. What grade must she obtain on the third quarter to get an average of 91?

• 90

• 91

• 92

• 93

Tags

CCSS.6.SP.B.5C

Find x if 5, 9, 11, 12, 13, 14, 17 and x have a mean of 12.

• 15
• 16
• 17
• 18

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.EE.B.5

CCSS.6.EE.B.6