Range and Interquartile Range Mean, Median, Mode

What is the mean of this data set?

41, 44, 90 41, 41

• 257

• 51.4

• 41

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

2. Which of the following best describes the process of finding the interquartile range for a set of data?

• Add the biggest and smallest numbers.

• Place the numbers in order from least to greatest and find the middle.

• Find the difference between the maximum and the minimum.

• Subtract the median of the upper quartile and the median of the lower quartile. Q3 - Q1

Find the median of these numbers:

2, 5, 4, 3, 7, 5, 5,

• 4

• 5

• 3

• 6

In order to find the median, the very first thing you must do is to..

• find the difference between biggest and the smallest number.

• find the middle number

• list the numbers from least to greatest

• find the most repeated number

What is the range?

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

Find the range of the data set 1.43, 1.05, 34, 56, 89, 1.1

• 87.9

• 87.57

• 87.95

• 89

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13
• 12
• 11
• 10

6. Find the mean.
18, 2, 0, 0, 0

• 4
• 5
• 10
• 20

Find the median from the list of numbers:

60, 58, 52, 48, 60, 67

• 58

• 59

• 60

• 118