Statistical or Not
True or False: A statistical question yields only ONE response
What is the mean of the data set?
19, 55, 34, 16
Mean: 31
What is the range?
98, 102, 100, 99, 103, 98, 101
Range: 103-98 = 5
What is the minimum value of the data set?
5 10 15 20 25
Minimum Value: 5
What Am I?
"I'm a table that lists items and shows the number of times the items occur."
Frequency Table
Is the following a statistical question?
"How long does it take 6th graders to eat lunch?"
Yes, it's a statistical question.
What is the median of the data set?
93, 47, 37, 49, 25, 12, 13, 57
Median: 42
What is the range?
21, 21, 23, 32, 43
Range: 43-21 = 22
What is the maximum value of the data set?
5 10 15 20 25
Maximum Value: 25
What Am I?
"I'm a special graph that shows how many things fit into different groups, or ranges. I have equal intervals and no gaps in between the bars that represents my data."
Histograms
Is the following a statistical question?
"How many students are present in class today?"
No, it's not a statistical question.
What is the mode of the data set?
5, 8, 20, 25, 20, 12, 8, 24, 8
Mode: 8
What is the range?
80, 80, 82, 84, 78
Range: 84-78 = 6
What is Quartile 1?
1 2 3 4 4 5 6
Quartile 1: 2
What Am I?
"I'm a graph that displays data as points or check marks above a number line, showing the frequency of each value."
Line Plot
Is the following a statistical question?
"What is the capital of California?"
No, it's not a statistical question
What is the median of the data set?
13, 14, 14, 16, 17, 19
What is the range?
24, 32, 38, 31, 61, 35, 31
Range: 61-24 = 37
What is Quartile 2?
1 2 3 4 4 5 6
Quartile 2: 4
What Am I?
"I'm a graph where most of the data points are clustered on the left side of the graph, with a long tail extending to the right."
Skewed Right Graph
Is the following a statistical question?
"How many hours do students in my class spend playing video games each week?"
What is the mean of the data set?
205, 204, 398, 405, 894, 102
What is the range?
430, 235 492, 078 589, 166 542, 292 367, 441
Range: 589, 166 - 367, 441 = 221, 725
What is Quartile 3?
1 2 3 4 4 5 6
Quartile 3: 5
What Am I?
"I'm a graph where most of the data points are clustered on the right side of the graph, with a long tail extending to the left."
Skewed Left Graph