Mode is defined as...
The number that happens most often.
Find Q1, Q3, Median, Minimum, and Maximum
11, 12, 13, 11, 12, 15, 18, 16, 19, 21, 22
Minimum- 11
Q1- 11
Median- 13
Q3- 19
Maximum- 22
True or false: the mean, mode, median, and range are included in a five number summary.
False, it's just the median.
What is the mode?
The number that occurs most often in a set of data.
The three measures of central tendency are a single number that ___________ all the values in a data set.
summarizes
The range is defined as...
The largest number minus the smallest number.
What is this called?

Dot Plot
What is the other name for a box plot?
A box and whisker plot
Find the mean of the set:
2, 5, 5
4
The average score on the last 6th grade math test.

What is the five number summary?
min = 68
Q1 = 78
med = 85
Q3 = 93
max = 98
Explain the steps to find the mean.
1. Add all the data
2. Divide the number of numbers
What is the range for class 1 and class 2?
Class 1 = 70
Class 2 = 70
What are the three shapes of a dot plot?
Symmetric
Skewed Left
Skewed Right
Find the mode of the following set of data
11, 12, 13, 11, 12, 15, 18, 16, 19, 21, 22, 12
12
Find the median of the set (put the numbers in order first!).
11, 12, 13, 11, 12, 15, 18, 16, 19, 21, 22
13
How do you find the median?
1. Put the numbers in order from small to large.
2. Find the middle
What is this called?
Box Plot

What is the IQR for Boys and Girls?
Boys = 5
Girls = 3
What are two characteristics of a histogram?
1. The bars are touching
2. Each bar represents a range of numbers
Explain how to find the range.
Subtract the smallest number from the largest one.
How do you find the IQR?
1. Put the numbers in order from big to small.
2. Find the median.
3. Find the middle of the lower half.
4. Find the middle of the upper half.
5. Subtract the two numbers.
Find the IQR if Q1 is 120 and Q1 is 70.
50
Which data most likely have variability for one school during a single school year?
A. The number of students absent each day
B. The amount of time for lunch each day
C. The cost of a slice of cheese pizza each day
A
Explain how to find the mean of a set of data.
All up all the numbers and divide by the amount of numbers given.
List three types of graphs we have learned.
Dot Plot
Stem-and-Leaf Plot
Histogram
Box Plot