Show:
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

What is the minimum or the lower extreme 5 10 15 20 25

5

200
Should a statistical question have a single answer?
Multiple Answers. Includes typical data
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

What does the first dot on a Box Plot represent?

What is the minimum.

200

What is the maximum or 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

What does the last dot on a Box Plot represent?

What is the maximum?

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 is the Interquartile Range (IQR) of the data set?

{4, 1, 7 3 5}

What is 4?

500

What is the IQR, range and median of the data-set 4, 5, 6, 7, 8, 9, 10

IQR= 4

Range= 5

Median= 7.5