Mode is defined as..
What is the number that appears the most in the data set.
The minimum and maximum of the data set
12, 11, 13, 11, 12, 22, 18, 16, 19, 21, 15
Minimum- 11
Maximum- 22
TWO of these are NOT shown in a box plot:
maximum, mean, median, minimum, mode, quartile 1, quartile 3
What are Mean and Mode?
What are the three types of skewness for a box plot?
Skewed right
Skewed left
No skew
What is the median?
The median describes the middle of the data set.
The range is defined as..
What is the difference between the maximum and minimum?
If you remove a large outlier, the mean would decrease: true or false
true, the mean would decrease if you remove a large outlier
the mean would increase if you remove a small outlier
Which interval is the peak and is this histogram symmetrical or skewed?

The peak is at 16-20 and the histogram is symmetrical
The weight of seven football players is listed in pounds. 210, 275, 125, 400, 340
Find the MEAN of the football players?
270
Scores on a recent 6th grade math test.

What is the median?
The median is 85
Explain the steps to find the mean.
1. Add all the data
2. Divide the total by the number of data
What is the range for class 1 and class 2?
class 1 = 70
class 2 = 70
Fill in the blanks:
1) If you add in a number that is greater than the mean, the mean goes__________.
2) If you add in a number that is less than the mean, the mean goes _________.
1) If you add in a number that is greater than the mean, the mean goes up.
2) If you add in a number that is less than the mean, the mean goes down.
The dot plot shows the number of runs scored by a baseball team for each game they played in the month of April.

How many games did the team play during April?
15
Find the Median of the set
11, 11, 12, 13, 15, 16, 19
13
You find the median by doing...
What is ordering them from least to greatest, crossing them out till you find the middle number. (If there are two numbers find the mean)
Who was the 1st president of the US?
Is this a statistical or non-statistical question?
Non - Statistical
The distribution with the largest percentage of students 66 inches or shorter
What is the IQR for Boys and Girls?
Boys = 5
Girls = 3
What are two characteristics of a histogram?
1. The bars are connected
2. Each bar shows a range of numbers
Describe the skewness of the box plot and how do you know?

The box plot is left skewed. The longer whisker is on the left.
TRUE or FALSE: "How many siblings do kids in this class have?" is a statistical question
If the data is skewed, what is the best measure of center, mean or median?
median
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 period each day
C. The cost of slice of cheese pizza each day
A
Find the mean absolute deviation of the following numbers: 9, 12, 15, 18, 21. (Put the decimal answer)
The MAD is: 3.6 or 4.
How is the mean effected by an outlier? (talk about both ways)
Including a high outlier will increase the mean.
Including a low outlier will decrease the mean.