MMMR?
What is the mode? 11, 3, 13, 9, 11, 7, 15
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
Make a dot plot for the following data set.
2, 3, 2, 5 , 10, 9, 7, 10, 7, 9, 15, 8
Solve: 2x - 2 = 6
x = 4
What is the range? 1, 3, 7, 9, 11, 13, 15
What is the definition of median?
The number in the middle when the numbers are in order from least to greatest.
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)
12x + 7
What is the mean? 1, 3, 7, 9, 11, 13, 15
Round to nearest tenth
8.4
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
What measure of center can you find with a dot plot?
Mean, Median, Mode
What is absolute value?
A numbers distance from zero.
What is the medain 1, 3, 7, 9, 11, 13
What is range?
The difference between the largest and smallest numbers
Median: 79 , 70 , 71 , 60 , 60
70
How can you use a histogram?
Answers will vary.
I have 7 CD's with 91 songs on them.
What is the rate of songs per 1 CD?
13 songs per CD.
Create a dot blot. 1, 3, 7, 9, 11, 13, 15
Check dot plots
What does difference mean?
Subtraction
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.
If I have a total of $120, what is 30% of that?
36