Mean
What is the definition of mean?
The AVERAGE number in a set of data.
What is the definition of median?
The middle value of a set of data when numbers are written in order from least to greatest.
What is the definition of mode?
The value that is the most common in a set of data. Can be one, none, or several.
What is the definition of range?
The difference between the smallest and largest values in a set of data.
Go to slide 2 in the Jeopardy slides.
50
How do you find the mean?
Find the sum of all values in a set of data
Divide by the total number of values
How do you find the median?
Arrange the numbers in order from least to greatest
Identify the number in the middle
How do you find mode?
Arrange the numbers in order from least to greatest
2. Identify the value or values that is most common
How do you find the range?
Identify the smallest and largest numbers in a set of data.
Subtract the smallest from the largest
Go to slide 4 in the Jeopardy slides.
Girls ate more school lunches than boys.
Find the mean for this data set.
3, 4, 9, 7, 7
6
Find the median for this data set.
3, 0, 0, 2, 0
0
Find the mode for this dat set.
15, 3, 3
3
Find the range of this data set.
4, 6, 2, 6, 9, 3, 5
7
Go to slide 6 in the Jeopardy slides.
4.5 cm
Mrs. Anker Stevens recorded the amount of time, in minutes, it took to drive from her house to her office?65, 50,56,55,64
What is the mean number of minutes it took to drive from her house to her office?
58 minutes
After a spelling bee, a group of 5th grade students compared how many words they spelled correctly. The results are listed below.
76, 71, 88, 92, 76, 69, 75, 89
What is the median?
76
Mrs. Pease recorded how long it took Buster to fetch his favorite toy. The results are listed below in seconds.
18, 20, 20, 20, 25, 25, 31, 34, 36
What is the mode?
20 seconds
Mrs. Kunkel was collecting reading minutes from her class. The minutes are listed below.
36, 34, 18, 20, 20, 25, 42
What is the range?
24 minutes
Go to slide 8 in the Jeopardy slides.
How many ham sandwiches were sold at noon? = 34
How many turkey sandwiches were sold at 6? = 35
When were the most sandwiches sold at? = Noon/12
These were the prices some students spent on treats at Nickelodeon Universe.
$15, $11, $9, $13.
What is the average?
$12
There are four houses for sale on Deerwood Court. These are their listed prices. Find the median price of the houses.
$173,500
$165,200
$167,500
$145,00
$166,350
A set of data was collected for the amount of minutes spent outside. If the mode is 53, what is the value of (a)?
45, 32, 53, 41, 41, 34, 26, 53, (a)
53
A set of data was collected for the amount of minutes spent on homework. If the range is 24, what is the value of (a)?
45, 32, 41, 34, 26, (a)
21
ARE YOU GOING TO DO YOUR BEST ON THIS TEST?!
YES!!!!