Probability Tree
Mean, Median, Mode
Range & IQR
Boxplots
Pot Luck
100

How many times is a coin flipped in this diagram?

Twice

100

This is the formula for?

Mean

100

What is the formula for range?

Range = Xmax - Xmin

100

What is the median of this boxplot?

7

100

What is the capital city of Australia?

Canberra

200

What is the probability of getting two heads?

1/4 or 25%

200

The most common data point is called the...

Mode

200

What does IQR stand for?

Interquartile range

200

What is the range of this boxplot?

9 - 2 = 7

200

A monotreme is an egg laying mammal. There are only two of these in the world. Name one.

Platypus and echidnas

300

What is the probability of getting one head and one tail?

1/2 or 50%

300

The middle data point is called the...

Median

300

What is the formula for IQR?

IQR = Q3 - Q1

300

What is the IQR of this boxplot?

8 - 3 = 5

300

What do we use to measure the height of horses?

Feet, hands, centimetres, metres, tonnes.

Hands

400

What is the probability of choosing a sandwich with swiss cheese?

1/2 or 50%

400

{5, 9, 7} What is the median?

7

400

Which is a more reliable measure of spread, range or IQR?

IQR

400

Does boxplot 1 or 2 have a greater range?

2

400

What is the 5th planet from the sun?

Jupiter

500

Find the probability of choosing a sandwich with chicken or ham.

2/3 or 67%

500

{2, 4, 3}

Calculate the mean.

3

500

What does IQR eliminate that makes it more reliable than the range formula?

Outliers

500

Does boxplot 1 or 2 have a greater IQR?

1

500

One of Australia's greatest bush poets what named...


..... Patterson (What was his first name?)

Banjo