normal distribution
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a bell-shaped curve, describing the spread of a characteristic throughout a
population, the peak corresponds to the mean, median, and mode
number of modes
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equals the number of peaks in distribution
relative change
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relative change= new value-reference value/ reference value * 100%
observational study
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researchers observe or measure characteristics of the sample members but
do not attempt to influence or modify these characteristics
bar chart (histogram)
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the data categories are quantitative
convenience sampling
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Give this one a try later!
a bell-shaped curve, describing the spread of a characteristic throughout a
population, the peak corresponds to the mean, median, and mode
number of modes
, Give this one a try later!
equals the number of peaks in distribution
relative change
Give this one a try later!
relative change= new value-reference value/ reference value * 100%
observational study
Give this one a try later!
researchers observe or measure characteristics of the sample members but
do not attempt to influence or modify these characteristics
bar chart (histogram)
Give this one a try later!
the data categories are quantitative
convenience sampling
Give this one a try later!
