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Yr 11 General Math 1
Chapter 2 - VCE General Maths Revision
Question | Answer |
---|---|
Types of categorical data are | Nominal and Ordinal |
Numerical variables are | generated in number form |
Discrete and continuous variables are types of | Numerical variables |
The number of pages in a book is a | Discrete variable |
Percentage Frequency is | Count/Total X 100 |
The mode is | The most common number in a set of data |
A Bar chart is drawn | with gaps to show that every category is individual |
A Histogram is drawn | without gaps to show that values are continuous |
In a positively skewed distribution, the values will be less clustered to the | right |
In a negatively skewed distribution, the values will be less clustered to the | Left |
In a stem and leaf plot, the leaves are the | Ones |
The mean is calculated by | sum of the data values divided by the total number of data values |
The median is the | Middle number in an ordered set of data |
The range is the | largest value - the smallest value |
The standard deviation measures | The spread of the data about the mean |
An Outlier is | A data value that is well outside the collected data |
The frequency is always displayed along the | Y axis |
When a set of data is equal either side of the median, the data is | Symmetrical |
When several data points have the same value in a dot plot - | The values are stacked on top of each other |
The box in a box plot shows | The middle 50% of scores |