1
2
3
4
5
100
What is another word for mean AND what is the mean?
5, 7, 2, 4, 8 , 9, 0, 1
4.5
100
Biased or unbiased?
Mrs. Johnson wants to know what all students that attend GMS like to do in their free time. She surveyed every 10th one of her students that walked in her room.
Biased
100
Calculate the mean.
The mean is about 6.9
100
How do you find the IQR AND what is the IQR?
upper q- lower q
2
100
What is the range of the box plot shown below?
7
200
Calculate the mean of this data set.
10, 5, 8, 24, 36, 43
21
200
What percent of the box plot ranges from 4 to 8?
3/4
75%
200
Calculate the range
4
200
What is the range?
4.5
200
What is the median?
The median is 31
300
What is another word for median AND what is the median?
3, 5, 17, 0, 23, 45, 8, 3
the middle
6.5
300
Which measure of center (mean, median, or mode) would be the best choice considering the following data set?
23,31,27,25,19,18,26,1,17,23,24,27
median- there is an outlier
300
Calculate the mode
0.15 and 0.16
300
Which is the best measure of center (mean, median, or mode) for this data set?
12,13,14,21,31,41,15,17,18,19,20
mean
(there are no outliers or repeated values)
300
How much did the most expensive lunch cost in dollars.
$9.50
400
What is another word for mode AND what is the mode?
1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6
the most
5
400
What percent of prices range from $5 to $6?
2/4
1/2
50%
400
Compare the ranges. Who has the larger range and by how much?
Television has the larger range by 6 hours.
400
What is the minimum?
0.11
400
Who has the larger median, and by how much?
Car B has the higher median by 5 inches.
500
How do you find range, another word for range, AND what is the range?
34, 56, 76, 12, 34, 90
max-min
variability
78
500
What values do you need to know to make a box and whisker plot?
min, low q, median, upper q, max
500
Who has the larger median and by how much?
Television has the higher median by 4 hours.
500
What is the min, low q, median, upper q, and max?
5, 5.5, 6, 7.5, 9.5
500
Mrs. Johnson is conducting a survey to see what her students favorite after school activity is. Which survey would be the most representative (unbiased)?
surveying all 6th graders
surveying every 7th grader
randomly selecting students in her class from a jar
surveying all cheerleaders she teaches
randomly selecting students in her class from a jar