Measures of Center

What is the mode?

• Number that occurs the most
• The Average
• The difference between the highest and lowest values
• The Number in the middle

Tags

CCSS.6.SP.B.5C

What is the mean?

• The number that occurs the most
• The number in the middle
• The difference between the highest and lowest values
• The Average

Tags

CCSS.6.SP.B.5C

What is the median?

• The number in the middle
• The difference between the highest and lowest values
• The number that occurs the most
• The average

Tags

CCSS.6.SP.B.5C

When finding the median what is the FIRST step?

• Mark off the lowest number
• Mark off the highest number
• Find the Middle
• Arrange the number from Least to Greatest

Tags

CCSS.6.SP.B.5C

The following data set represents the number of pieces of candy in an individual candy serving bag. The median of this data is (a)   .

Tags

CCSS.6.SP.B.5C

Listed are the number of math problems assigned for homework on different nights. 12, 20, 15, 52, and 18

Find the mean, median, and mode. Which best represents the data? Explain.

• The mean best represents the data. 23.4 is closest to the center of the data.

• The median best represents the data. There are 2 data values above and two below the median of 18.

• The median best represents the data. There are 2 data values above and two below the median of 16.

• The mean best represents the data. Eighteen is closest to the center of the data.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What is the outlier in the data set?

112, 121, 114, 141, 122, 110, 112

• 112

• 211

• 114

• 141

Find the mean with and without the outlier. Expain how the outlier affects the mean?

92, 68, 88, 80, 89, 81

• The outlier increases the mean by 3.

• The outlier decreases the mean by 4.

• The outlier decreases the mean by 3.

• The outlier has no affect on the mean.

Each dot represents 1 day. How many days were recorded?

• 9
• 21
• 20
• 105

Tags

CCSS.3.MD.B.4

Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34

• 7
• 23
• 31
• 34