Box Plots
What is the median? 1, 3, 7, 9, 11, 13, 15
9
The number in the data set that appears the most?
What is the definition of mode
Median: 83 , 97 , 85 , 84 , 96 , 80 , 80 , 87 , 91
85
Make a dot plot for the following data set.
2, 3, 2, 5 , 10, 9, 7, 10, 7, 9, 15, 8
Solve: 2x - 2 = 52
x = 27
What is the lower quartile? 1, 3, 7, 9, 11, 13, 15
3
The number in the middle when the numbers are in order from least to greatest?
What is the definition of median.
Mean: 83 , 97 , 85 , 84 , 96 , 80 , 80 , 87 , 91
87
Make a histogram and frequency table for the following set of data.
10, 12, 15, 15, 19, 23, 25, 26, 29, 30, 31,32
Combine like terms:
2x - 3 + 5 ( -2x - 2)
-8x - 13
What is the Upper Quartile? 1, 3, 7, 9, 11, 13, 15
13
What is it called when you add all of the numbers in the data set together. Divide by the amount of numbers in the data set?
What is the mean or average
Mode: 83 , 97 , 85 , 84 , 96 , 80 , 80 , 87 , 91
80
What measure of center can you find with a dot plot?
Mean, Median, Mode
- (-4 + 8)
-4
What is the IQR (Interquartile Range)? 1, 3, 7, 9, 11, 13, 15
10
What is difference between quartile 3 and quartile 1 (the range of the box in the box plot) called?
What is the Interquartile Range
Median: 79 , 70 , 71 , 60 , 60
70
How can you use a histogram?
Answers will vary.
2x + 4 = 2x + 4
Infinite Solutions
Create a box blot. 1, 3, 7, 9, 11, 13, 15 and then find the outliers
What is no outliers
What are the numbers called that are outside the fence on a box and whisker plot?
What are the outliers
Mean: 30 , 36 , 47 , 50 , 50 , 50
43.8
How can you identify outliers in a dot plot?
The outlier stands out either on the far left or right in the dot plot.
What is 20% of $60?
6