Define the Mean.
What is the average of a set of numbers?
Find the mean:
10, 12, 19, 15, 30
What is 17.2?
In a math class, the lowest test score was 78 and the highest was 99. What is the range?
What is the formula of range?
Define the Median.
What is the Middle value?
Find the median:
1, 8, 12, 4, 7, 4, 5
What is 8?
In a zoo, we want to know the average weight of the penguins. Here are their weights: 70, 90, 64, 49, 82. What is the average.
What is the formula for the mean?
What is Mean = sum of terms/number of terms?
What does IQR stand for?
Interquartile range
Find the Mode:
1, 9, 8 ,7, 4, 10, 16, 19, 4, 3, 7, 4
What is 4?
In a sixth grade class, we want to know the age seen the most. Here are the ages of one class: 12, 11, 12, 12, 12, 11, 12, 11, 11, 11, 12
What is 12?
What is the formula of mode?
Define the range.
What is the difference between the largest and smallest number?
Find the Range:
43, 10, 8, 15, 40, 30, 9
What is 35?
A teacher wants to know the average of three students in her class. If sally scored an 89, Roger scored a 90, and Sam scored a 69. What is the average.
What is 82.66?
What is the IQR formula?
What is IQR = Q3 - Q1?
What is the amount of variation in a set of values?
Find the mean, range, and mode:
4, 9, 15, 16, 19, 20, 15
Mean - 14
Range - 16
Mode - 15
Mrs. Roberson needs some help. Her students have been struggling and she wants to know the range from test to test. She has given us the averages for each test. On test one, they scored an average of 85, on test two an 83, and on test three a 79. What is the range between the tests?
What is 6?
What is the formula of the Standard Deviation?
What is...
we will not be using this in class, I just want you to see it.