Statistical Question
Dot Plots
Mean
Range
Median/Mode
100
is this a statistical question: is my hair brown or blonde?
NO, data does not vary
100
The following dot plot shows the number of hours 15 people exercised per week.
What is the greatest number of hours someone exercised?
9
100
what is the mean of:
1,1,1
1
100
What is the range of: 1,2,3,4,5,72
What is 71
100
what is the mode of: 1,2,2,2,2,3,3,3
What is 2
200
what does a statistical question have to have happen in order to be a statistical question?
What is when the data varies
200
How many values are there in the following dot plot (how many goals were scored in total)?
20
200
what is the mean of
2,3,40
15
200
Define: range
What is subtracting the lowest number from the highest number.
200
what is mode
most often occuring
300
Is this a statistical question, "How old are the students in our school"
What is "YES"
300
A teacher asked 20 students how many books they read last summer. The dot plot displays the data.
What is the most common number of books read?
1
300
what is the mean
when you add up all the numbers in a set and divide them by the number of numbers in the set
300
What is the range?
9 - 0 = 9
300
what is the mode and median of:
1,2,2,3,4
2 and 2
400
Ask the class: Is this a statistical question "What is your favorite color"
What is YES
400
The following dot plot shows the number of hours 15 people exercised per week. Are there any outliers?
Yes, 6 and 9
400
what is the mean of:
10,10,10,10,10,10,10,10,10,10
10
400
True or False: 14, 13,12 Range= 2
true
400
what is median
the middle number
500
Is this a statistical question:
How many students are wearing Nike tennis shoes in this class?
no
500
The following dot plot shows the number of hours 15 people exercised per week.
How many people exercised 2 hours per week?
4
500
what is the mean of:
22, 34, 56, 2
28.5
500
What is is the Range of: 54, 4, 32, 5, 96, 46
96 - 4 = 92
500
Find the median of these numbers: 2, 4, 29, 56, 75, 234
What is 42.5