Statistics Review

What is the MODE of a data set?

• The middle value
• The number that occurs most frequently
• The average
• The difference between the max and min values

Tags

CCSS.6.SP.B.5C

What is the MEDIAN of a data set?

• The middle value
• The number that occurs most frequently
• The average
• The difference between the max and min values

Tags

CCSS.6.SP.B.5C

What is the RANGE of a data set?

• The middle value
• The number that occurs most frequently
• The average
• The difference between the max and min values

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The table below shows the annual salaries for the 24 members of a professional sports team in terms of millions of dollars.

The team signs an additional player to a contract worth 10 million dollars per year. Which statement about the median and mean is true?

• Both will increase.

• Only the median will increase.

• Only the mean will increase.

• Neither will change.

Corinne is planning a beach vacation in July and is analyzing the daily high temperatures for her potential destination. She would like to choose a destination with a high median temperature and a small interquartile range. She constructed box plots shown in the diagram below.

Which destination has a median temperature above 80 degrees and the smallest interquartile range?

• Ocean Beach

• Whispering Palms

• Serene Shores

• Pelican Beach

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Christopher looked at his quiz scores shown below for the first and second semester of his Algebra class.

Semester 1: 78, 91, 88, 83, 94

Semester 2: 91, 96, 80, 77, 88, 85, 92

Which statement about Christopher’s performance is correct?

• The third quartile for semester 2 is greater than the third quartile for semester 1.

• The interquartile range for semester 1 is greater than the interquartile range for semester 2.

• The median score for semester 1 is greater than the median score for semester 2.

• The mean score for semester 2 is greater than the mean score for semester 1.

Tags

CCSS.6.SP.B.5C

Find the IQR (interquartile range) using the following information.
Minimum:  77
Q1:  79.5
Median:  86.5
Q3:  90.5
Maximum:  99

• 86.5
• 22
• 90.5
• 11

Tags

CCSS.6.SP.B.5C

What percentage of girls have blonde hair?

• 30%
• 32%
• 29%
• 40%

Tags

CCSS.6.RP.A.3C

What percentage of the students have brown hair?

• 25%
• 60%
• 45%
• 50%

Tags

CCSS.6.RP.A.3C

What kind of correlation?

• Negative

• Positive

• No Correlation

Tags

CCSS.HSS.ID.B.5