Distribution
Which type of distribution has 2 peaks?
Bimodal
Frequency table or dot plot
____________________ is the process of collecting and analysing data to be able to answer a question
Statistics
What are the three measures of central tendency?
Mean, median and mode
Plots frequency's as dots on a graph
Dot plot
Positively skewed, negatively skewed, symmetrical, and bimodal
A ___ ____ is a graphical way of showing the results of a frequency table
Dot Plot
What are the two types of data called?
Categorical and Numerical
What is median?
The middle number
Graph used to visually represent the frequency distribution of a dataset
Histogram
This is also called a normal distribution
Symmetrical distribution
A __________ ______ lists items and shows the number of times the items occur
Frequency table
Ordinal and nominal are types of what data?
Categorical
What is mean?
The average
Graph used to visually represent and compare data across different categories
Bar Chart
What is the distribution if most of the data is on the left side?
Positively skewed
How many columns are in a frequency table?
Three
Sales ranking of the top magazines
Is this data nominal or ordinal?
Ordinal
Calculate the mean of this data set?
4, 5, 6, 8, 11, 14
The mean is 8
graph used to organize and display numerical data in a way that reveals the distribution of the data
Stem and Leaf plot
The median is the preferred measure of central tendency for which types of distribution?
Negative and positive
After you have made a frequency table, what is an easy way to display the results?
Making a dot plot
Shoe size of each student in your class
Is this data discrete or continuous?
Discrete
Calculate the median of this data set?
4, 5, 6, 8, 11, 14
The median is 7
Graph used to visually represent the distribution and summary statistics of continuous numerical data
Box plot