Statistical or Not
Is this a statistical question?
How many students are wearing Jordan's in this class?
No
What is the mode? 1.06,9.3,59.59,6.01,25.17,1.06,6,1.06,0.7
1.06
What is the range?
5, 10, 17, 19, 35.3, 3, 4, 56, 7, 1.7
35.3 - 1.7 = 33.6
What fraction or percentage of data does each quartile represent?
25% or 1/4
What is the minimum?
10, 15, 5, 25, 20
5
What are the requirements for a Statistical Question?
Multiple/Variety of Answers and People
What is the median?
93, 47, 37, 49, 25, 12, 13, 57
(37 + 47)/2 = 42
What is the range?
33, 4, 5, 6, 10, 15, 17, 18, 19, 21, 29
33 - 4 = 29
What is a histogram?
A bar graph that shows the frequency of data values
What is the maximum?
3.8, 1.2, 1. 7, 3.9, 2.3, 4.7, 4.2, 1.3
4.7
Is this a statistic question?
What is the typical favorite sport of Redwood student?
Yes
What is the median?
103, 2, 23, 156.5, 105.5, 145
104.25
What is the interquartile range?
29, 34, 39, 43, 73, 91, 198
91 - 34 = 57
Write a frequency table for the date below:
1, 2, 1, 1, 3, 4, 5, 6, 2, 2, 1, 2, 1, 3, 4, 5, 2, 6, 1, 6
Number| Frequency
1 | 6
2 | 5
3 | 2
4 | 2
5 | 2
6 | 3
What is the lower quartile?
6, 3, 4, 2, 5, 4, 1
2
Is this a statistical question?
Does the Watson Family watch TV?
Whats the mean?
1, 1, 2, 3, 4, 4, 5, 6, 7, 8
41/10 = 4.1
What is the IQR?
35, 49, 53, 69, 69, 77, 84
77 - 49 = 28
What is the first step you need to do to make a box plot?
Order the data from least to greatest
What is the upper quartile?
4, 6, 1, 3, 2, 5
5
Is this a statistical question?
What is the weight of 11th grade students in America?
Yes
What is the average grade for the student's grades below?
0, 13, 27.3, 69, 69, 23, 97?
42.6
Find the IQR of the data set.
100, 30, 99, 45, 72, 78, 89, 100, 46
99.5 - 45.5 = 54
What are the measures that you can find or calculate by looking at a box plot?
Minimum, Lower Quartile, Median, Upper Quartile, Maximum, Range, IQR
What is the five-number summary of the data set?
10, 5, 8, 7, 6, 4, 9, 8
Min: 4
LQ: 5.5
Med: 7.5
UQ: 8.5
Max: 10