What's the %
Wierd & Wacky
Middle Who?
Sleepy ZZZZZ
2 of the best
100

Sigma represents this measure of spread?

Standard Deviation

100

Apple Iphone was originally released in what year?

2007

100

The median for the data set is:

30   15   40   11   5  

15

100

-3 to 3 is the range for what?

Z Scores

100

What describes the strength of a relationship for 2 variables?

Pearsons corelation coefficient

200

68% of the data can be found here in a normal distribution.

Between 1 standard deviation or z score of -1 to 1.

200

The current Kabaddi world champs are from this ex British Empire ruled Asian country.

Bonus: What is special about this game?

India

Players must hold their breath whilst participating.

200

What value would need to be added to this data set to give a mean of 50?

44  53  49  51 

53

200

In relation to the z score formula what does the standard deviation equal?

mean - score / z score

200

Spell the variable that does not depend on the other one.

independant

300

How much data is NOT within 3 standard deviations for a normal distribution?

0.3%

300

1. What is weird and wacky about it?

It is prime of itself.

300

When is the mode not the mode?

When there is NO MODE

300

Z scores can be used specifically for what?

To compare different data set scores

300

What makes calculating the equation of a line difficult from a graph?

Axis not starting at 0?

400

A z score of -0.5 to 1 would contain how much data of a normal distribution?

68% x 3/4 = 51%

400

Which world famous fashion labels logo was designed around the designers principles, geometry, clean lines and name (CC).

Chanel

400

What is special about this data set?

120  20  40  60  60 

The meadian, mode and mean are all the same?

400

Who has a bed making factory at Sandgate?

Makin Matresses

400

Which 2 meals does Mr Jones pride himself on cooking?

Pizza and anything mexican

500

To the nearest 1%, How much of the world is covered by water?

71%

500

Name 2 landlocked countries in Europe

Andorra, Armenia, Austria, Belarus, Kosovo, Czechia, Hungary, Liechtenstein, Luxembourg, North Macedonia, Moldova*, San Marino, Serbia, Slovakia, Switzerland and Vatican City.

500

When the mode, median and mean are not all equal how can we describe a data set?

Skewness (positively or negatively)

500

Spell the condition that can cause death when you stop breathing in your sleep.

Sleep apnea

500

Give a set of variables that would have a negative pearsons correlation coefficient.

E.g. Number of hours training and time to complete the related event

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