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 lower extreme 5 10 15 20 25
5
200
Should a statistical question have a single answer?
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
4 5 6 10 15 17 18 19 21 29 33 17 = med
200
Can you find the mean using a Histogram?
no
200
What is the upper extreme 5 10 15 20 25
25
300
Is this a statistic question? What is the typical favorite sport of Redwood student?
Yes
300
What is the median? 103, 2, 23, 156.5, 105.5, 145
104.25
300
what is the second quartile? 29 34 39 43 73 91 198
91
300
Is it possible to find the median using a frequency table?
no
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
Whats quartile 2? 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 2? 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?