Stats Part 1

The mean is

• The middle score
•  Total & divided by number of scores
• The most frequent score
• The middle when in order

The median is

• The highest number minus the smallest

• Scores added & divided by the number of scores

• The most frequent score

• The middle when in order

The mode is

• The middle score
•  Scores added & divided by the number of scores
• The most frequent score
• The middle when in order

Find the median of:
21, 7, 32, 45, 28, 78

• 32 & 45
• 78.5
• 45
• 30

{2,2,4,5,6,7,7,10,10,10,11}
What is the median of the set?

• 2
• 6
• 7
• 10

{2,2,4,5,6,7,7,10,10,10,11}
What is the mean of the set?

• About 6.6
• 6
• 7
• 10

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

{2,2,4,5,6,7,7,10,10,10,11}
What is the range of the set?

• 6
• 8
• 9
• 10

What is the IQR for 3, 6, 7, 12, 15, 18, 21

• 12

• 100

• 6

• 15

Find the median, first quartile, third quartile, and interquartile range of the data.

32, 53, 72, 66, 47, 54, 49, 67, 71

• Median: 54

  Q1: 49 Q3: 67

  IQR: 18

• Median: 54

  Q1: 48 Q3: 69

  IQR: 21

• Median: 54

  Q1: 48 Q3: 69

  IQR: 22

• Median: 54

  Q1: 49 Q3: 69

  IQR: 20

What data value is the upper quartile (Q3)?

• 64
• 62
• 66
• 58