{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

8-3 - 8-3 Statistics Range and Standard Deviation...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
8-3 Statistics: Range and Standard Deviation statisticians need to know what the central tendency of a set of scores is: mean, median they also want to know how “spread out” the scores are statistics that measure the spread are called measures of dispersion R ANGE The range of a set of scores is the distance from lowest to highest score: range = (high score – low score) S TANDARD D EVIATION the most commonly used measure of dispersion notation (for the whole population):
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}