Statistical or Not
Mean, Median, Mode
Range and IQR
Displays
Box and Whisker plots
100
Is this a statistical question? How many students are wearing Jordan's in this class?
No.
100
What is the mode? 1.06,9.3,59.59,6.01,25.17,1.06,6,1.06,0.7
1.06
100
what is the range 5 10 17 19 35.3 3 4 56 7 1.7
35.3 - 1.7 = 33.6
100
What fraction or percentage of data is in each of the 4 sections of a box and whisker plot.
25%
100

Find the minimum. 5 10 15 20 25

5

200

What type of answers should statistical questions have?

Multiple or varying answers

200
What is the median? 93, 47, 37, 49, 25, 12, 13, 57
(37 + 47)/2 = 42
200

What is the median? 33 4 5 6 10 15 17 18 19 21 29

17.5

200

What measure of variability finds the average distance a number is from the mean?

Mean Absolute Deviation (MAD)

200

What is the maximum? 5 10 15 20 25

25

300

Is this a statistical question? What is your favorite sport?

Yes

300
What is the median? 103, 2, 23, 156.5, 105.5, 145
104.25
300

What is the upper quartile? 29 34 39 43 73 91 198

91

300

If one box plot has data spread out over a greater distance on the number line, that box plot would have a greater _________.

Variability

300
What is the first quartile? 1 2 3 4 4 5 6
2
400
IS this a statistical question? Does the Watson Family watch TV?
no
400
Whats the mean? 1, 1, 2, 3, 4, 4, 5, 6, 7, 8
41/10 = 4.1
400

What is the upper quartile? 35, 49, 53, 69, 69, 77, 84

77

400
What is the first step you need to do to make a box plot?
order the data
400

What is Quartile 3? 1 2 3 4 5 6

5

500
Is this statstical? What is the average weight of 11th grade students in America?
yes
500
What is the average grade for a student who's grades are: 13, 27.3, 69, 69, 23, 97.
49.7
500
Find the IQR of the data set. 30, 45, 46, 72, 78, 89, 99, 100, 100
Median = 78 q1 = 45.5 q2 = 99.5 iqr = 99.5-45.5 = 54
500

What are the measures of center that you can find or calculate by looking at a dot-plot?

Mean, Median, Mode, Range

500
What is the IQR of the data-set 4, 5, 6, 7, 8, 9, 10
4
M
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