Measures of Center for Quantitative Data

Which measure of center is affected by the presence of an outlier in the data?

• Mode
• Median
• Mean

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Given the data: 21, 31, 26, 24, 28, 26
What is the mean?

• 24
• 25
• 26
• 27

Tags

CCSS.6.SP.B.5C

The numbers of runs scored by a softball team in 20 games are given.
 3, 4, 8, 12, 7, 5, 4, 12, 3, 9, 11, 4, 14, 8, 2, 10, 3, 10, 9, 7
What is the median of this data.

• Median = 7.5
• Median = 7
• Median = 8
• Median = 12

Tags

CCSS.6.SP.B.5C

The number of text messages that Isaac received each day for a week is shown: 47, 49, 54, 50, 48, 47, 55
What is the mean and median?

• Mean=49
  Median=54
• Mean=49 
  Median=50
• Mean=50 
  Median=54
• Mean=50
  Median=49

Tags

CCSS.6.SP.B.5C

Which value is smaller, the mean or the median?

• The median is smaller

• The mean is smaller

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Which measure of center is more appropriate, the mean or the median?

• Mean

• median

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Which measure of center is more appropriate, the mean or the median? Why?

• Mean because this is a skewed data set.

• Median because this is a skewed data set

• Mean because this is a symmetrical data set

• Median because this is a symmetrical data set

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What is the measure of center of this dot plot?
Find either the median or mean

(a)  

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

The shape of the distribution is __________________________________________.

• Skewed right

• Skewed left

The value of the larger median for the two groups is the ______________.

• Indoor median is 3.82

• Outdoor median is 7

• Outdoor median is 6.93

• Indoor median is 4.5

Tags

CCSS.HSS.ID.A.3