Mean
What is the mean of this data set?
5, 8, 10, 12, 15
10
The median refers to the ______ value.
middle value
Mode refers to the _______ value.
most common
The range is the __________ values.
difference between the highest and lowest
An outlier is a value that differs ____ from the other values.
a. significantly
b. insignificantly
a. significantly
What is the mean of this data set?
7, 3, 6, 4, 9, 1
5
What is the median value?
5, 10, 15, 20, 25
15
What is the mode?
4, 7, 2, 7, 8, 9, 2 , 8, 1, 6, 1 , 8, -3
8
What operation do you use to determine the range?
Subtraction
What is the outlier?
4, -50, 7, 1, 8, 0, 2, 6,
-50
Mean is same as mode. True or False?
False?
If the data set has an even number of values, you must ______ the two middle values.
add up and divide
True or False. You must order a data set to determine the mode.
False
What is the range of this data set?
4, 6, 7, 8, 12
8
Given this data set, what does the outlier affect more, mean or median? Hint: solve for mean and median without the outlier first.
1, 4, 6, 7, 9, 10, 35
Mean
Determine the mean of apples eaten per day: 34 total apples eaten over 12 days.
2.83 apples per day
What is the median?
5, -2, 6, 10, 14, 7
6.5
What is the mode?
10, 5, 3, 8, 1, 7, 3, 7, 1
3 and 7
What is the range of this data set?
6, 6, 1, 43, 6, 0, -5
48
Jaiden plays basketball 5 days per week and usually scores at least 10 points per game. But, his average for last week was 8 points per game. What is one reason his average dropped?
He had a bad day. An outlier. Maybe he only scored 2 points one day, which skewed his average.
Mean is another word for:
average
What might you have to do to a data set to easily determine the median?
order it
What is the mode?
3, 7, 1, 8, 5
No mode
What might skew the range so it appears greater than if there were only values that were closer to the mean?
An outlier
What is the outlier?
1, -12, 0, 43, 8, 12, 15,
43