Empirical Rule

What is the MEDIAN of this set of data?

10, 20, 30, 40, 50, 60, 70, 80, 90, 100

• 50

• 60

• 55

Tags

CCSS.6.SP.B.5C

Mode:
67, 74, 95, 98, 98, 99, 102

• 90.4
• 35
• 92
• 98

Tags

CCSS.6.SP.B.5C

Median:
67, 74, 95, 98, 98, 99, 102

• 102
• 67
• 98
• 90.4

Tags

CCSS.6.SP.B.5C

Mean:
67, 74, 95, 98, 98, 99, 102

• 90.4
• 633
• 98
• 92.3

Tags

CCSS.6.SP.B.5C

In order to find the median, the data must be sorted from least to greatest first.

• True
• False

Tags

CCSS.6.SP.B.5C

What percentage of data is 1 standard deviation away

• 68%

• 95%

• 99.7%

• 34%

Tags

CCSS.HSS.ID.A.4

What percentage of data is within 3 standard deviations

• 99.5%

• 68%

• 45%

• 99.7%

Tags

CCSS.HSS.ID.A.4

What percentage of data is within 2 standard deviations

• 68

• 95

• 99.7

• 2.35

Tags

CCSS.HSS.ID.A.4

What percentage of the data is between 0 and -1 standard deviations

• 34%

• 50%

• 2.35%

• 13.5%

Tags

CCSS.HSS.ID.A.4

Use the following information and the Empirical Rule to estimate the answer.

The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.

Find the proportion of golfers that are between 30 and 46 years old.

• 68%

• 94%

• 95%

• 99.7%

Tags

CCSS.HSS.ID.A.4