Math Compass Test Latest Update 100% Correct
Percent - ANSWER Parts per hundred
P/w=%/100
Average - ANSWER The sum of a list of numbers divided by the number of numbers in
the list
(10+12+20+x)/4=Average
Range - ANSWER The difference between the lowest and highest values.
In {4, 6, 9, 3, 7} the lowest value is 3, and the highest is 9, so the range is 9 − 3 = 6.
Mean - ANSWER The mean is the average of the numbers: a calculated "central" value
of a set of numbers.
6, 11, 7
Add the numbers: 6 + 11 + 7 = 24
Divide by how many numbers (there are 3 numbers): = 8
The Mean is 8
Median - ANSWER Central tendency, arrangement of data from least to greatest and find
the average of them.
Put in order:
3, 5, 12
The middle is 5 so median is 5.
Mode - ANSWER Mode of a set of numbers is the number appearing most often.
In the set {1,5,7,5,9}, the mode is 5 because there are 2 fives and only one of each of the
Percent - ANSWER Parts per hundred
P/w=%/100
Average - ANSWER The sum of a list of numbers divided by the number of numbers in
the list
(10+12+20+x)/4=Average
Range - ANSWER The difference between the lowest and highest values.
In {4, 6, 9, 3, 7} the lowest value is 3, and the highest is 9, so the range is 9 − 3 = 6.
Mean - ANSWER The mean is the average of the numbers: a calculated "central" value
of a set of numbers.
6, 11, 7
Add the numbers: 6 + 11 + 7 = 24
Divide by how many numbers (there are 3 numbers): = 8
The Mean is 8
Median - ANSWER Central tendency, arrangement of data from least to greatest and find
the average of them.
Put in order:
3, 5, 12
The middle is 5 so median is 5.
Mode - ANSWER Mode of a set of numbers is the number appearing most often.
In the set {1,5,7,5,9}, the mode is 5 because there are 2 fives and only one of each of the
