Maths Notes 2

Question 1

How to calculate mean?

Answer 1

Add them together and divide by how many there are!

Question 2

How to calculate median?

Answer 2

Put them in order and find the middle.

Question 3

How to calculate mode?

Answer 3

Most frequent numbers

Question 4

How to Calculate Range?

Answer 4

Highest Value - Lowest Value

Question 5

What is a frequency polygon?

Answer 5

Frequency Line Chart

Question 6

For Translation, what direction is upper number in vector

Vector has two numbers, one above one below

Answer 6

Right

Question 7

For Translation, what direction is upper negative number in vector

Vector has two numbers, one above one below

Answer 7

Left

Question 8

For Translation, what direction is lower number in vector

Vector has two numbers, one above one below

Answer 8

Up

Question 9

For Translation, what direction is negative lower number in vector

Vector has two numbers, one above one below

Answer 9

Down

Question 10

How to Calculate Sin in Trigonometry?

Answer 10

O (opposite) / H (hypothenuse)

Question 11

How to Calculate Cos in Trigonometry?

Answer 11

A (adjacent) / H (hypothenuse)

Question 12

How to Calculate Tan in Trigonometry?

Answer 12

O/A

Question 13

How to calculate percentage change?

Answer 13

Change/Original * 100

Question 14

For Probability, what is P(?’) meant?

Answer 14

Not in ?

Question 15

Equation for Directly Proportional?

Answer 15

y=kx

Question 16

Equation for Inversely Proportional?

Answer 16

y = k/x