What's the %
Sigma represents this measure of spread?
Standard Deviation
Apple Iphone was originally released in what year?
2007
The median for the data set is:
30 15 40 11 5
15
-3 to 3 is the range for what?
Z Scores
What describes the strength of a relationship for 2 variables?
Pearsons corelation coefficient
68% of the data can be found here in a normal distribution.
Between 1 standard deviation or z score of -1 to 1.
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.
What value would need to be added to this data set to give a mean of 50?
44 53 49 51
53
In relation to the z score formula what does the standard deviation equal?
mean - score / z score
Spell the variable that does not depend on the other one.
independant
How much data is NOT within 3 standard deviations for a normal distribution?
0.3%
1. What is weird and wacky about it?
It is prime of itself.
When is the mode not the mode?
When there is NO MODE
Z scores can be used specifically for what?
To compare different data set scores
What makes calculating the equation of a line difficult from a graph?
Axis not starting at 0?
A z score of -0.5 to 1 would contain how much data of a normal distribution?
68% x 3/4 = 51%
Which world famous fashion labels logo was designed around the designers principles, geometry, clean lines and name (CC).
Chanel
What is special about this data set?
120 20 40 60 60
The meadian, mode and mean are all the same?
Who has a bed making factory at Sandgate?
Makin Matresses
Which 2 meals does Mr Jones pride himself on cooking?
Pizza and anything mexican
To the nearest 1%, How much of the world is covered by water?
71%
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.
When the mode, median and mean are not all equal how can we describe a data set?
Skewness (positively or negatively)
Spell the condition that can cause death when you stop breathing in your sleep.
Sleep apnea
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