Outlier

A value that is much smaller then the outer data value

The data set may have more then 1 outlier or zero outliers

Eg. Outliers for 1, 67, 68, 67, 64, 65, 100 are 1 and 100

Mean

The sum of a set of values divided by the number of values

Eg. The mean of 6, 4, 8 is 6

Add up all the numbers then divide by how many numbers are in the data set

Mode

The most frequently occurring number in a set of data

Eg. The mode of 3, 5, 5, 6, 7 is 5 because there are 2 5's

Median

Median

The middle number of a set of data after the numbers are arranged in order

Eg. 1, 2, 2, 3, 4, 5, 6, 7, 8

The middle number is 3

Range

Range


The positive difference between the largest and smallest values in a data set


Eg. Range of 1, 7, 7, 8, 8, 9


9 - 1 = 8

Number of the day #8

Write using the digit in the hundreths place as the base and the tens place as the exponent

Example number: 4327.165 = 62

Definition of Variable

A letter that represents an unknown number

Example: r, h, y, a, e

If you want to know more Click right here

Number of the day #21

Use any two digits to make a proper fraction

Eg. 7365.921

Just make a fraction from any of those seven numbers

Here is one of them

2/6

Adding Mixed Numbers

Eg. 1 1/3 + 1 1/4

First your find the L.C.M

3 - 3,6,9,12

4 - 4,8,12

Then add how many multiples to the numerator

1/3 = 4/12

1/4 = 3/12

Then add them together

4/12 + 3/12 = 7/12

Then add the whole numbers

1 + 1 = 2

Then combine the fraction and whole number

2 7/12

Number of the day #13

The product of all the digits

Eg. 1234.567

Just multiply each number in the whole number

How you do it:

1 x 2 x 3 x 4 x 5 x 6 x 7 = 5040

Number of the day #3

Write the number in written form

Just write the number of the day in words

Eg. 5278.319

Five thousand two hundred seventy eight and three hundred nineteen thousandths

Bedmas Question

Eg. 32 x 1 + 8

First one is multiplication

32 + 8

Next is addition

[40]

Always put squared to know where your answer is.

Brackets

Exponents

Division

Multiplication

Addition

Subtraction

Number of the day #20

Write a fraction using the 1000's place as the denominator and the tenths place as the numerator

Example: 1234.567 = 2-5

Numerator and denominator

The Numerator is the top number of the fraction.

The Denominator is the bottom of the fraction.

Example: 3 - Numerator - 1

- -

4 - Denominator 2

Divisible rules by 10

The sum of all digits must equal by 10

Example:

19 28 14554

1+9=10 2+8=10 1+4+5+5+4=19

1+9=10