2nd Semester Final Review #1 Standard Deviation and M,M,M,Range

What is the mean?

• # happening the most

• the number in the middle

• biggest-smallest

• the average

Tags

CCSS.6.SP.B.5C

What is the median?

• biggest- smallest
• average
• the middle #
• # that happens the most

Tags

CCSS.6.SP.B.5C

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

Tags

CCSS.7.NS.A.3

Find the median of these numbers:
4, 2, 7, 4, 3

• 2
• 5
• 7
• 4

Tags

CCSS.6.SP.B.5C

Jeff has four grades from tests. They are all weighted equally. If Jeff's grades are 100, 96, 96, and 100, what Jeff's current average grade?

• 96

• 97

• 98

• 100

Tags

CCSS.6.SP.B.5C

Jessica has five grades from assessments and quizzes. They are all weighted equally. If her grades are 50, 70, 88, 70, and 88, what is her current average grade?

• 71

• 72

• 73

• 74

Tags

CCSS.7.NS.A.3

This data is normally distributed.  What percent of the data is in the shaded region?

• 68%
• 95%
• 99.7%
• 50%

Tags

CCSS.HSS.ID.A.4

This data is normally distributed.  What percent of the data is in the shaded region?

• 68%
• 95%
• 99.7%
• 50%

Tags

CCSS.HSS.ID.A.4

This data is normally distributed.  What percent of the data is in the shaded region?

• 68%
• 32%

• 95%
• 50%

Tags

CCSS.HSS.ID.A.4

The center of the curve represents what value of a data set?

• 
• δ = population standard deviation

• Σ= sum of the data values

• Ζ = z or standard scores

Tags

CCSS.6.SP.A.2