6NR2 GMAS Review (Unit 2)

A zookeeper recorded the heights, in centimeters, of eleven meerkats at the zoo.

26, 30, 32, 27, 24, 28, 26, 24, 27, 26, 25

Which answer choices represent the distribution of the heights of the meerkats? Choose TWO correct answers.

• 
• 
• 
• 
• 

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Mr. Mack wishes to determine how well his students performed on his final exam. He created the histogram below to show the frequencies of the scores.

• Skewed left

• Skewed right

• symmetrical

• none of the above

Temperatures throughout the United States can vary considerably. If it is 50° F in Florida, -25° F in Alaska, -7° F in Minnesota, , 25° F in Georgia, -3° F in Maine, -30° F in Colorado and 33° F in Texas, which of the following statements is true?

• The median temperature is -30 degrees F.

• The median temperature is -25 degrees F.

• The median temperature is -3 degrees F.

• The median temperature is 0 degrees F.

Tags

CCSS.7.EE.B.3

The weights of cats seen at a pet clinic in one day last week are shown in the table.

Explain

Which measure of center is the best measure for this data set?

• Mean

• Median

• Mode

• Range

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Lindsey found the median and mean of the list of numbers below:

4, 6, 8, 8, 15

If the number 23 was added to the list, then __________.

• The median would decrease.

• The median would increase.

• The mean would decrease.

• The mean would increase.

Vincent found the mode and median of this list of numbers.

33, 36, 38, 39, 39

If the number 31 were added to the list, then how would the measures of central tendency change?

• The median would decrease.

• The median would increase.

• The mode would increase.

• The mode would decrease.

Brad spent the following amounts of time practicing piano each day this week:
If Brad decides to practice piano on Saturday for 35 minutes, which of the following measures of central tendency would change?

• Mean

• Median

• Mode

• Range

Nathan caught 8, 10, 6, 5 and 14 ladybugs over the last 5 days.

Part A:

What is the mean of this data set?

• 8.6

• 8

• 7

• 6

Tags

CCSS.6.SP.B.5C

Nathan caught 8, 10, 6, 5 and 14 ladybugs over the last 5 days.

Part B: If he adds the 8 ladybugs he caught today to his data set, what will happen?

• The median will increase.

• The median will decrease.

• The mean will increase.

• The mean will decrease.