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Statistical Questions
Measures of Variation, IQR; Range
Mean
Median; Mode
Box and Whisker Plot
100
What are the 3 parts of a statistical Question?
What is interesting information; Specifically Who your asking; Variability of answers
100
What is the measure of variation; IQR and range? Give a well developed definition and give an example.
What is IQR- The range difference between the upper and lower quartile. Measures of Variation- a measure that describes the distribution to a data set. Range- Subtracting the upper quartile from the lower quartile.
100
20+40+80+90= 57.5 True or False Is this the Mean?
What is True. 20+40+80+90=230. 230/4=57.5
100

0 1 2 3 4 5 6 7 8 9 10 What is the Median?

What is 5

100
20+30++80+40+100+30+30 What is Q1?
What is 30
200
Mrs. Patruski's class voted on their favorite color. Is this a statistical question?
What is yes
200

What is the range of: 3,2,34,5,12,14?

What is 32

200
5,7,10,14,16,19 What is the range?
What is 14
200

0+5+6+3+2+8+9+5+0+2+0 What is the mode?

Mode=0

200
1+2+3+5+6+2+5 What is Q3?
What is 5?
300
How many students in WSMS have oval,circle, square, rectangle shaped glasses? Is this a statistical question?
What is yes
300
Is this the correct order? 8,12,1,9,3,5,2? Explain.
What is No, because it need to be in order from least to greatest.
300
Here are a students grades: 90,60,80,70,50 Find the average or mean of the numbers.
What is 70
300
5+6+3+2+8+9+5+5+2 What is the Median?
What is 5?
300
1+3+2++5+6+8+40+2+4+5+2+10+43 What is Q1,Q2,Q3 of the data set?
What is Q1=2 Q2=5 Q3=10
400
How many kids have Nike shoes? Is this a statistical question? Explain why?
What is No, there is no specific person or group your asking the question to. The answer to this question does not have a variability of answers.
400
What would be the range of 12 as the upper quartile and 5 as the lower quartile?
What is 7; 12 (Upper Quartile) - 5 (lower Quartile) = 7
400

30+50+80+210 What is the mean?

What is 92.5

400

30+40+80+100+20+30+30 What is the median and the mode?

What is Median=100 Mode=30

400
With a box and whisker plot what do the whiskers symbolize?
What is The upper and lower extremes
500

Statistical questions have no variability. True or false. Explain

What is False,  Statistical questions have variability of answers.

500
Define upper and lower quartile.
What is Upper Quartile - the median of the upper half of the data set. Lower Quartile - the median of the lower half of the data
500

90,5,23,58,2,78,34,19,87,6,2

What is the mean?

What is 36.72

500

1+5+6+8+4+3+2+10+2+40+43+5 What is the median and the mode?

Median=5 

Mode=2 & 5

500
What is a lower extreme and an upper extreme?
What is lower extreme- smallest data piece upper extreme- biggest data piece