Central Tendency

Find the median of these numbers:
4, 2, 7, 5, 3, 5

• 4
• 5
• 4.5
• 6

Tags

CCSS.7.EE.B.3

At Donald's Donuts the number of donut holes in a bag can vary. If the last 8 bags were: 12, 10, 10, 10, 13, 14, 11, 13, what does the next number need to be in order for the median to be 12?

• 10

• 11

• 13

What is the range?

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

Tags

CCSS.4.MD.B.4

What is the range of the set: 49, 68, 62, 47, 39, 54, 43

• 25
• 29
• 31
• 19

Tags

CCSS.7.NS.A.3

What is the mode?

• The value that occurs the most often in a data set
• The middle number in an ordered set of data
• The sum of all the numbers in a data set divided by the size
• The sum of the between the greatest and the least elements, divided by two

What is the mean?

• The value that occurs the most often in a data set
• The middle number in an ordered set of data
• The sum of all the numbers in a data set divided by the size
• The sum of the between the greatest and the least elements, divided by two

What is the median?

• The value that occurs the most often in a data set
• The middle number in an ordered set of data
• The sum of all the numbers in a data set divided by the size
• The sum of the between the greatest and the least elements, divided by two

The heights of six students in a class are given below:
158cm     172cm      164cm
164cm     167cm      159cm
 However, there were actually seven students in the class, and the mean height in the class was 165 cm. What was the height of the unknown student?

• 164 cm
• 166 cm
• 171 cm
• 169 cm

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is Roger's median score?

• 127
• 155
• 156
• 193

Paulo got these markers in three tests: 72, 80 and 82. He had one more test to sit. He wanted a mean of 80 for the four tests. What mark must he get in the fourth test?

• 78

• 80

• 84

• 86