ProbStat Review: Measure of Central Tendency

Harley surveyed his classmates about how many siblings they have and got the following data: 0, 1, 3, 5, 4, 2, 2, 9, 1, 2, 0, 1, 1, 1, 1, 3  Which  measure is best measure of center of the data?

• Mean
• Median
• Mode
• Range

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Which measure of central tendency best represents this set of data:
3, 18, 2, 0, 1, 0, 2, 1

• Mean
• Median
• Mode
• Range

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Which measure of central tendency best represents this set of data:
3, 4, 5, 4, 5

• Mean
• Median
• Mode
• Range

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Which measure of central tendency best represents this set of data:
13, 13, 11, 13, 13, 12, 13

• Mean
• Median
• Mode
• Range

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

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

• Mode

• Median

• Mean

• none of these

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Gary has taken an aptitude test 8 times and his scores are 96, 98, 98, 105, 36, 87, 95, and 93. Which measure of central tendency is most appropriate for his scores?

• Median

• Mode

• Mean

• Range

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

The temperature received till Friday was 34, 38, 36, 30 and 31. If the temperature on Saturday drops to 11^oC, how does the inclusion of Saturday's temperature affect the weekly mean temperature?

• increase

• decreases

• does not change

• can not be determined

Tags

CCSS.6.NS.C.5

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What effect will the outlier have on the median of the data if the outlier is excluded?

4, 6, 3, 4, 3, 6, 24

• insufficient information to conclude

• increases

• decrease

• does not change

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

How many students scored more than 80%?

• 10
• 13
• 7
• 15

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5

What is the median of this stem and leaf plot? 

• 148
• 146
• 147
• 149