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Statistics

6th Grade Statistics Goddard Middle School

TermDefinition
A question that investigates an aspect of the real world that can have A VARIETY OF RESPONSES STATISTICAL QUESTION
How do you find the MEAN? Add up all the numbers and divide by how many numbers there are
How do you find the MEDIAN? 1) Order the numbers from least to greatest 2) Find the Middle Number 3) If there are 2 middle numbers then add them and divide by 2
How do you find the MODE? Find the number that occurs most often
How do you find the RANGE? Subtract the smallest number from the largest number in a data set. MAX - MIN
A statistical graph that has dots stacked on top of each other above each data value on a number line DOT PLOT
A statistical graph that has bars above INTERVALS of values HISTOGRAM
A statistical graph that shows the distribution of a data set by marking 5 boundary points where data occur along a number line BOX PLOT / BOX AND WHISKER PLOT
A data value that is much larger or smaller than all the others (It doesn't seem to belong in the data set) OUTLIER
How do you find the IQR (Inter Quartile Range) Subtract the first quartile from the 3rd quartile Q3 - Q1
How much items in a data set differ or vary from each other Variability
If values in a data set are very spread out they have a... High Variability
If values in a data set are relatively close together they have a ... Low Variability
The median in the first half of a data set Q1 - First Quartile
The median in the last half of a data set Q3 - Third Quartile
Another word for average MEAN
What are the 5 parts of a Box Plot? 1) Minimum 2) 1st Quartile (Q1) 3) 2nd Quartile(Q2) (Median) 4) 3rd Quartile(Q3) 5) Maximum
What is another name for the 2nd Quartile in a Box plot? MEDIAN
A statistical table that shows the number of times a data value occurs in a data set FREQUENCY TABLE
To make a histogram you first need to make a... FREQUENCY TABLE
Created by: cpautler
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