Showing posts with label dfaith. Show all posts
Showing posts with label dfaith. Show all posts

Wednesday, June 6, 2012

Outlier

Outlier- a value that is much larger or smaller that the other data value
                       - the data set may have more than 1 outlier or zero outliers
Outlier(s) for 24, 32,35,37,38,51 are 24 & 51

Mean

Mean- a measure of the central tendency
                    -the sum of a set of values divided by the number of values in the set.
Mean of 45,76,32
Add up all the numbers and divide the result by how many numbers there are
45+76+32
153/3
Mean= 51

Median

Median- the middle number in a set of data after the data have been arranged in order.
Median of 7,13,15,17,24 is 15
Median of 68,73,82,91,110 is 82

Monday, December 5, 2011

Divisibility Rule for 2

All even numbers are divisible by 2.
Even numbers end in 0, 2, 4, 6, 8.
For example:
26, 34, 56, 120 are all divisible by 2.
55, 23, 99, 65 are not.

Tuesday, November 22, 2011

Number of the Day #23

Proper to Decimal


Decimals are always over 1.
Whatever you do at the top you have to do at the bottom.
8 ÷ 8 = 1
1 ÷ 8 = 0.125

Sunday, November 13, 2011

How to Use Bar Notation

This is on Page 138 number 9.


You have to put the Bar Notation if it has Repeating Decimals.
The Bar Notation shows that the numbers go on forever.

Tuesday, November 1, 2011

Order of Operation

B-Brackets
E-Exponents
D-Division
M-Multiplication
A-Addition
S-Subtraction


Click here for more information.