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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 MOD4 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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