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2024 WGU C784-STATISTICS MOD 4 FLASHCARDS EXAM WITH ANSWERS

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2024 WGU C784-STATISTICS MOD 4 FLASHCARDS EXAM WITH ANSWERS

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2024 WGU C784-STATISTICS MOD
4 FLASHCARDS EXAM WITH
ANSWERS


Define Mode - CORRECT-ANSWERSThe value that occurs most often in a data
set

What are the steps to using the IQR to find Outliers - CORRECT-ANSWERSThe
IQR represents how spread out the middle of half of the data is. If we
multiply that by 1.5 that would be 1.5 x the IQR.

We will use this as our measurement to measure up from Q3.

(Q3+ ( 1.5 x IQR)

and down from Q1

(Q1-(1.5 x IQR)

Any reasonable data value should be between the the Q1 and Q3 whatever
values that aren't will be considered Outliers

Are they're any Outliers in this data set
41,57,61,65,65,67,70,70,74,82,82,82,90,95,112 - CORRECT-ANSWERSSee
illustration

Standard Deviation Rule or 68-95-99.7 Rule tells us what? - CORRECT-
ANSWERS-68% of the data falls within one standard deviation of the mean

-95% of the data falls within two standard deviations of the mean

99.7% of the data falls within three standard deviations of the mean

Standard Deviation Practice Problem - CORRECT-ANSWERS

A box plot is a graphical display of a _________ number summary - CORRECT-
ANSWERSAnswer: 5

The end of the left whisker is the min number in a data set and the right
whisker is the max number in a data set

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