Box Plots
What is the median? 1, 3, 7, 9, 11, 13, 15
9
What is the definition of mode?
The number in a data set that appears the most.
Median: 83 , 97 , 85 , 84 , 96 , 80 , 80 , 87 , 91
85
True or false: A histogram can tell exact information.
False, it can only give general information about the data.
What is Absolute Value?
The distance a number is from zero.
What is the lower quartile? 1, 3, 7, 9, 11, 13, 15
3
What is the definition of median?
The number in the middle when the numbers are in order from least to greatest.
Range: 83 , 97 , 85 , 84 , 96 , 80 , 80 , 87 , 91
Range= 17
What is along the horizontal axis for a histogram?
intervals of numbers
Translate the phrase to an algebraic expression: 4 less than twice a number
2x-4
What is the Upper Quartile? 1, 3, 7, 9, 11, 13, 15
13
How do you find the mean?
Add all of the numbers in the data set together. Divide by the amount of numbers in the data set.
Mode: 83 , 97 , 85 , 84 , 96 , 80 , 80 , 87 , 91
80
Check
Simplify the expression.
8(2x-7)
16x-56
What is the IQR (Interquartile Range)? 1, 3, 7, 9, 11, 13, 15
10
What is interquartile range?
The difference between quartile 3 and quartile 1 (the range of the box in the box plot).
Median: 79 , 70 , 71 , 60 , 60
70
If the data looks the same on both sides of a histogram, box plot or dot plot we can describe the shape as ________.
Symmetical
I have 5 1/2 liters of lemonade. I want to give 7/8 of a liter to each of my friends. How many friends can I share with?
6 friends.
Box Plots are a distribution that breaks the data into 4 quartiles. What percent of the data is each quartile?
25%
How do you find the lower quartile?
By finding the median of the left side of the data.
Mean: 30 , 36 , 47 , 50 , 50 , 50
43.8
Where do you find a typical value on a histogram?
The Peak
Solve 2.5x = 52.3
20.92