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Data Analysis/ statictics (Central Tendancy (Central tendancy is the mean…
Data Analysis/ statictics
Central Tendancy
Central tendancy is the mean,median,mode and range
the mode is what appears most
the median is the middle number
The range is the distance from the least number to the greates number
you find the central tendency and then you use the data the question asks for
box plots
you only use 3 lines
it's all about the median
The have an upper and lower quartile
box plots have whiskers
Line Plots
It's all about the median.
order from least to greatest
Find the lower quartetile, and upper quartetile
statistical questions
statistical questions have to do with statistics
a statistical question has to do with the mean, median and mode
dealing with a statistical question you normally have to do multiple steps
mean,median and mode
you use the mean when the data has no extreme values
you use the median when the data has extreme values and there are big gaps in between the numbers
range
Range is the difference between the greatest and least of the set of numbers
order least to greatest,find the lowest and highest
find the difference between the two numbers
