Vocabulary
Stats
Calculator
Box Plots and Quartiles
Plots
100
What does Q1 stand for?
First Quartile, Quartile 1, or Lower Quartile
100
What does this symbol represent: σ
Standard Deviation
100
What do you press if need to start completely fresh?
Home/On button, and then 1 for a New Document. DO NOT SAVE DOCUMENT
100
What is the median of the following Box Plot:
48
100
What does a symmetric distribution look like?
The right side is a mirror image of the left
200
What does IQR stand for?
Interquartile Range
200
Here are the weights, in pounds, of 8 babies
6, 5, 12, 7, 8, 5, 9, 8
Find the mean weight
7.5 lbs
200
Using your calculator, find the five number summary of:
1, 17, 8, 95, 43, 100, 12, 0, 13, 2
Min Q1 Median Q3 Max
0 2 12.5 43 100
200
What percent of values fall above the median for any data set?
50%
200
What type of plot shows every data point?
Dot Plot
300
Define Median
The value in the middle of a data set
300
Here are the weights, in pounds, of 8 babies
6, 5, 12, 7, 9, 5, 9, 9
Find the median weight
8
300
Find 22% of 37
8.14
300
Which box plot has a smaller interquartile range?
Top- More education
300
What is the range of the following box plot?
10
400
Define mean
The average of a data set
400
Data Set A has a standard deviation of 1, and Data Set B has a standard deviation of 20. Which data set clusters closer to the mean. Why?
Data Set A - smaller standard deviation
400
Use your calculator to find the mean of the following data set:
5, 5, 5, 6, 6, 9
Show me the answer on the calculator
6
400
Here is the box plot that represents the amount of students per classroom at ITC. What percent of classrooms have more than 27 students?
75%
400
How many students have a shoe size of exactly 7?
Impossible to tell!
500
Define standard deviation
The measure of how dispersed data is based on the mean
500
Where does the middle 50% of data always fall?
In between Q1 and Q3
In the IQR
In the box of the box plot
500
Find the standard deviation of the following data set:
1, 2, 100
Explain why the standard deviation is so high/low
46.435
It is so high because the data points are very spread out
500
Here are the weights of 1736 High School students:
How many students weight more than 175 lbs?
434
500
C, A, B