CW Problems for CS 4.3.2 – Centers and Spread of QV's

The Arithmetic ________ is the average of the numbers in a data set: a calculated "central" value of a set of numbers

• Mean

• Median

• Mode

• Range

Tags

CCSS.6.SP.B.5C

The _______________________________ of a sample is the square root of the “average” squared deviation from the mean.

It tells the typical distance of values from their mean.

• Mean

• Standard Deviation

• Range

• IQR

What does this symbol represent?

• Standard Deviation
• Variance
• Mean Absolute Deviation
• Sigma

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the mean for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89

• 10.1

• 7.26

• 9

Tags

CCSS.6.SP.B.5C

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89

• 10.1

• 7.26

• 9

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

• 1
• 2
• 3
• 4

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the standard deviation of these numbers:

5,11,2,12,4,2

• 4.1

• 6

• 4.4

• 4

Four data sets are shown below.
Set 1: {10, 19, 38, 50, 51}
Set 2: {5, 21, 26, 39, 51}
Set 3: {9, 38, 50, 50, 51}
Set 4: {5, 28, 28, 28, 51}
Which data set has the largest standard deviation?

• Set 1
• Set 2
• Set 3
• Set 4

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

Which data set had a HIGHER mean?

Set 1: {87,79,94,86,93,91,100,50,49,79}

Set 2: {71,76,78,79,81,82,82,85,86,88}

• Both the same

• Set 1

• Set 2

Tags

CCSS.6.SP.B.5C