Probability

Measures of Centre and Spread

The Parabola

Times Tables

The Cartesian Plane

100

What kind of probabiliy is based on observing repeated experiments?

Experimental Probability

100

The number that appears the most often in a data set is called...?

The mode

100

What is a parabola?

A U shaped curve

100

What is 11 x 12?

132

100

What is the vertical axis labelled?

The y axis

200

A person chooses a card at random from a full pack of playing cards. What is the probability that the card is a diamond?

13/52

200

How is the mean calculated?

The sum of the terms is divided by the the total number of terms.

200

What is the vertex?

The point where the parabola changes direction.

200

What is the square root of 16?

4

200

In a pair of co-ordinates, the first number represents which axis?

The x axis.

300

A fair die is rolled 24 times. How many times would you expect it to land with a 5 on top?

4 times

300

How is the median identified in a data set that has an even number of terms?

Find the average of the two numbers in the middle.

300

What is the basic equation of a parabola?

y = ^{}x^{2}

300

How many prime numbers are there between 1 and 20?

There are 8: 2, 3, 5, 7 ,11, 13, 17, 19

300

What are the co-ordinates for the origin?

(0,0)

400

Two dice are thrown. What is the probability of getting a total of 7?

6/36 = 1/8

Combinations of 1,6 2,5 3,4 4,3 5,2 6,1

400

When would you use interquartile range rather than just range?

When there are outliers in the data set.

400

Which intercept can there be two of?

x-intercept

400

List all the factors for 24.

1, 2, 3, 4, 6, 8, 12, 24

400

How many quadrants have only positive numbers?

1

500

40 balls are numbered 1 - 40. One ball is selected at random. What is the probability that the number on the chosen ball will contain the number '1'?

13/40

1,10,11,12,13,14,15,16,17,18,19,21,31

500

What does IQR stand for?

Interquartile range

500

When would you call the vertex the minimum point?

When the parabola is open up or concave up.

500

How many square numbers are there between 0 and 100?

10

500

On which axis is the point (3,0) located?

The x axis.