Maths and Logic Fundamentals

What would be the Mode in this line of data?

20 30 8 20 2 10 20 4

How would work out the Range of this line of Data?

18 4 8 25 20 18 2 9 10

• 25 - 2 = 23

• 18+4+8+25+20+18+2+9+10=114

• 25+2=27

Answer explanation

Subtract the smallest number from the biggest number.

What is the Median in this line of data?

2 4 8 9 10 18 18 20 25

How would work out the Mean is this line of Data?

18 4 8 25 20 18 2 9 10

• The number that occurs the most.

• Add up the set of numbers, and divide it by how many numbers there are.

• Find the middle Number.

• Subtract the smallest number from the biggest number.

What would be the Diameter of a circle with a radius of 5?

Answer explanation

Multiplying the radius by 2 would give us the diameter.

How would you Calculate the Circumference of a circle?

Answer explanation

The circumference is Calculated by multiplying by pi (3.14)

Dot Product we have two lines:

Vector (A) X= 3.0

Vector (B) X= 2.0

What would be Dot Value?

• -0.0

• 6.0

• 3.0

Answer explanation

dot Product is multiplying the two lines to greater giving us the dot value.