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Statistical/Data Analysis (Central Tendency (Median (How To Do It (Find…
Statistical/Data Analysis
Line Plots
How To Do It
Put an ordered pair of numbers on a number line
Put it in start the number
Example
Central Tendency
Mode
Example
4,
8
,
8
,19,29
How To Do It
Arrange the numbers from least to greatest
Find the number that is repeated the most
When to use it
Data have many repeated numbers
Median
How To Do It
Find the middle number
Arrange the numbers in order from least to greatest
Example
3,5,
7
,8,18
Mean
How To Do It
Add allthe numbers up
Divide the sum by the number of addends
Example
3+9+4+10+8=34/5=6.8
Range
How To Do It
Subtract the smallest value from the larget's value
Example
2
,4,5,8,13,
16
: 16-2=14
Box-and-Whisker Plots
How To Do It
Order the pair of numbers from least to greatest
Find the median of the ordered pair
Find the median of the lower quartile
Find the median of the upper quartile
Find the greatest and least value
Draw a number line that starts at the least value and ends at the greatest value
Draw a box over the number line and draw lines over the median of upper and lower qurtile
Draw whiskers coming out of the box that came to the greatest and least value
Example
