Mean, Median, Mode, Range
Presentation
•
Mathematics
•
11th Grade
•
Easy
+1
Standards-aligned
Tom Giles
Used 2+ times
FREE Resource
7 Slides • 20 Questions
1
Mean, Median, Mode, & Range
Dr. Tom Giles
2
Mean, Median, Mode, & Range
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Mean
Tells you the central tendency of a data set
Also called the average
Add together all of the numbers, then divide by the number of numbers
Example: 3, 5, 5, 6, 6, 6, 7, 11
4
Median
The middle number in a data set
Order all of the numbers from least to greatest
If there is an odd number of numbers, find the middle number
If there is an even number of numbers, find the mean of the two middle numbers
Example: 3, 5, 5, 6, 6, 6, 7, 11
5
Mode
Tells us which number occurs most often
Find the number that repeats the most in the data set
There can be more than one mode if multiple numbers repeat the same number of times
There can be no mode if none of the numbers repeat
Example: 3, 5, 5, 6, 6, 6, 7, 11
6
Range
Tells us how spread out the data is
Subtract the smallest number from the largest number
Example: 3, 5, 5, 6, 6, 6, 7, 11
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Multiple Choice
What is the range?
The number in the middle
the biggest number MINUS the smallest number
The number that appears most often
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Multiple Choice
What is the median?
The number in the middle when the numbers are in order from least to greatest.
The average
The number that appears most often.
9
Multiple Choice
What is the mode?
The average
The number that appears most often.
The number in the middle.
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Multiple Choice
To find the average, or mean, of a set of numbers, add up all the numbers and divide by...
The number of items in the set.
The smallest number
The largest number
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Multiple Choice
A data set can have more than one mode
True
False
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Multiple Choice
When you are finding the MEDIAN and 2 numbers are in the middle, what do you do?
List both of the numbers as the Median.
Add the two numbers together and divide by 2.
Pick the one that you want.
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Multiple Choice
Roger bowled 7 games last weekend.
His scores are: 127, 138, 142, 155, 165, 172, and 193.
What is the range of Roger's scores?
193
127
66
14
Multiple Choice
The mode score on a test was 94!
Which is true?
99 was the highest score
More students received a 94 than any other score
No one scored below 50
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Multiple Choice
The number of miles Jenna ran each week is shown:
28, 31, 36, 36, 42, 48, 52
What is the median number of miles Jenna ran?
24
39
36
16
Multiple Choice
To find the median, you must put the data in order from least to greatest first.
True
False
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Multiple Choice
Dr. Dre is a dentist.
He must report on the average (mean) number of cavities his patients have.
1, 0, 1, 5, 0, 3, 4
What is the average number of cavities?
1
2
7
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Multiple Choice
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
10
12
No mode
19
Multiple Choice
The heights of some students are given in centimeters.
158, 159, 164, 164, 167, 172
What is the RANGE of the heights?
16 cm
158 cm
14 cm
20
Multiple Choice
What is the MEDIAN of this set of data?
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
50
60
55
21
Multiple Choice
67, 74, 95, 98, 98, 99, 102
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Multiple Choice
67, 74, 95, 98, 98, 99, 102
23
Multiple Choice
67, 74, 95, 98, 98, 99, 102
24
Multiple Choice
67, 74, 95, 98, 98, 99, 102
25
Multiple Choice
26
Multiple Choice
4,2,7,4,3
27
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Dr. Tom Giles
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