Types of Questions
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?
No. Multiple Answers with varying data.
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
Can you find the mean using a Histogram?
No.
What is the upper extreme?
5, 10, 15, 20, 25
25
Is this a numerical or categorical question?
What is the typical favorite sport of a Carver student?
Categorical
What is the upper quartile?
29, 34, 39, 43, 73, 91, 198
91
What needs to be labeled on the x-axis of a histogram?
The intervals
What is the Q1?
1, 2, 3, 4, 4, 5, 6
2
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 lower quartile?
35, 49, 53, 69, 69, 77, 84
49
What is the first step you need to do to make a box plot?
Order the data from least to greatest
What is the Q3?
1, 2, 3, 4, 5, 6
5
Label this question as numerical or categorical and statistical or non-statistical.
"What was the last movie each student saw in the theater?"
Categorical
Statistical
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 Q3 = 99.5
IQR = 99.5 - 45.5 = 54
What are the measures of center that you can find or calculate by looking at a dot-plot?
Mean, Median, Mode
What is the IQR of the data set?
4, 5, 6, 7, 8, 9, 10
4