Statistical Measures

TEST SCORES Marcus’s test average over the first 3 tests was an 88. What does he need to earn on his next test in order to earn an overall A (90) average?

• 94

• 95

• 96

• 97

• other

COOKIE DOUGH What is the median of the data?

• 8

• 9

• 9.3

• 9.5

• other

LAPS The following are the number of laps completed by swimmers at the Hot Tunas Swim Club at their last practice: 20, 28, 30, 6, 15, 18, 21, 22, 25, 29, 24 and 26

What is the Interquartile Range?

• 5

• 7

• 9

• 11

• other

LAPS The following are the number of laps completed by swimmers at the Hot Tunas Swim Club at their last practice: 20, 28, 30, 6, 15, 18, 21, 22, 25, 29, 24 and 26

Are there any outliers in this set?

• No.

• Yes. 29.

• Yes. 6.

• Yes. 30.

Vocabulary Check: The _____________ is the number of numbers that occur most frequently in a data set.

• mode

• mean

• median

• max

Tags

CCSS.6.SP.A.3

Vocabulary Check: The _________ is the middle number, or the mean of the two middle numbers, of the ordered data in a set.

• median

• mean

• mode

• average

Tags

CCSS.6.SP.B.5C

Vocabulary Check: _______________ are values that divide the data set into four equal parts

• outliers

• max

• min

• quartiles

Tags

CCSS.6.SP.B.5C

Find the Mean. 

• 5.8
• 5
• 5.6
• 6

What is the mean?

• # happening the most
• the number in the middle
• biggest-smallest
• the average

Tags

CCSS.7.EE.B.3

Find the median of
4, 9, 8, 3, 7, 10

• 7
• 7.5
• 8
• 8.5

Tags

CCSS.7.EE.B.3