Shape
Centre
Spread
Problem, Purpose, Plan
Random
100
What is this distribution called?
Left Skewed
100
What is the Median from these statistics?
64
100
What does IQR stand for?
Interquartile range
100
What are the two types of variables needed for a comparative investigation?
Numerical and Categorical
100
What is the name of the website used to create the graphs for the analysis?
NZgrapher
200
What are these two distributions called?
Normal and Bimodal
200
How do you calculate the Median?
The Middle value when all the values are put in order from smallest to largest
200
What is the IQR from these statistics?
18.6
64.2 - 45.6 = 18.6
200
Name someone/something that would be interested in reading an investigation about: Student test scores
Schools, Teachers, Principles, Parents, Students, etc.
200
What percentage of data is between the UQ and the Max?
25%
300
What are 2 features of a Normal Distribution?
1. Bell Shaped. 2. One peak (Unimodal). 3. Symmetrical.
300
What is the difference between these two Medians?
14.5
300
What does LQ and UQ Stand for?
Lower Quartile and Upper Quartile
300
What is the appropriate minimum percentage of the population to sample for your investigation?
30%
300
How many Outliers are there? and what are/is their value(s)? (Remember Units)
1 outlier, 134.5 MPG
400
What are two features of a Right Skewed Distribution?
1. Long Tail on the Right. 2. One peak (Unimodal).
400
What variable has the larger Median and what is the difference? (Include Units)
Males is larger by 7cm
400
What Kiwi has the higher IQR?
North Island Brown Kiwi
2.9 vs 3.1
400
What was one of the two sampling methods you should use for your investigation?
1. Random sample. 2. Stratified Random
400
What is my name? (First or Last)
Oscar Holyoake
500
Name the 5 Distributions
1. Normal. 2. Left Skewed. 3. Right Skewed. 4. Uniform. 5. Bimodal
500
Why do we analyse the Median over the Mean?
The mean can be skewed by outliers
500
Why do we analyse the IQR instead of the range?
The range can be skewed by outliers
500
Write an acceptable problem for these variables in the dataset Wild animals:
Mammals, Fish, weight (kg)
I wonder if the weight of mammals is heavier than the weight of fish in kilograms for all animals in the dataset Wild animals
500
What is the number code of this standard?
3.10