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 is in each of the 4 sections of a box and whisker plot.
25%
Find the lower extreme 5, 10, 15, 20, 25
5
Should a statistical question have a single answer?
Multiple Answers. Includes typical data
What is the median? 93, 47, 37, 49, 25, 12, 13, 57
(37 + 47)/2 = 42
what is the median 33, 4, 5, 6, 10, 15, 17, 18, 19, 21 29
17
When the mean and median are approximately the same when looking at a graph, what shape would the graph be? Symmertical, Skewed Right, Skewed left?
Symmertical
What is the upper extreme 5, 10, 15, 20, 25
25
Is this a statistic question? What are the favorite ice cream flavors of students in Mrs. Keely's class?
Yes
What is the median? 103, 2, 23, 156.5, 105.5, 145
104.25
what is the upper quartile? 29, 34, 39, 43, 73, 91, 198
91
What is the range or spread of the data? 1, 2, 3, 4, 4, 5, 6
IS this a statistical question? Does the Watson Family watch TV?
no
Whats the mean? 1, 1, 2, 3, 4, 4, 5, 6, 7, 8
41/10 = 4.1
What is the upper quartile? 35, 49, 53, 69, 69, 77, 84
77
What is the lower quartile? 1, 2, 3, 4, 5, 6
2
Is this statstical? What is the average score on the statistics quiz that was given in Mrs. Keely's class last week?
What is the average grade for a student who's grades are: 13, 27.3, 69, 69, 23, 97.
49.7
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