Sam


 * GLOSSARY:

clusters, a group of number ** s ** close together outliers,** is data that is away from the rest of the data. patterns in data,** is where you can find groups of data that are in a pattern. histograms, continuous data bar graph strip graphs, a graph that is a skinny straight line that has data on it. if you joined the 2 ends together it would be like a pie graph pie graphs, a graph that is circle shape and shows you the %age of data. dot plots,** is a graph that uses dots for a specific thing eg. progress in class. Dot plots usually have clusters.
 * trends,** is a group of statistics that are the same. These are most commonly found in bar graphs.
 * multivariate data ,** is data that has more than one variables
 * variables,** are data that is same topic but different surveying item
 * sample,** is a piece of data that is used as a practice
 * surveying, asking people questions to get information
 * relationships in data** is when there is a some "connection" between to pieces of data
 * tally charts,** keeps a tally of how many things you are doing statistics on.
 * frequency tables,** shows the frequency of the data.
 * pictographs,** is a graph used in pictures instead of bars.
 * bar graphs, discrete data bar graph, it has coloumns in between the bars.
 * stem and leaf graphs,** have a stem and numbers come off the stem.

median, the number in the middle of a sequence of numbers or group of numbers. mode,** is the value that is surveyed the most.
 * scatterplots,** is data that is placed on a graph using co-ordinates.
 * box and whisker graphs,** is used to find out the upper and lower quartiles
 * line graphs or time series data,** is most likely to be used for time measurement. A line graph would be used in data about height and weight.
 * mean, the average.
 * range,** is when the numbers are put in numerical order and the difference between the lowest and highest numbers.