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AP Statistics 3.3 Statistical Inference 17 Views


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AP Statistics 3.3 Statistical Inference. Which of the following statements is true?

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Transcript

00:04

And here's your shmoop du jour brought to you by backpacks

00:06

great for holding books, notes, pens, cell phones and part of a long-forgotten very [boy emptying backpack and finds an old sandwich]

00:11

hard to identify lunchable sandwich, yeah which of the following statements is

00:16

true right here and here the potential answers all right...

00:22

Well the standard deviation of a population is computed using population [plane flies by and people parachute down]

00:27

data and not sample data using sample data for this is like putting bricks in

00:32

your backpack they'll fit in there but it makes no plan so statement 3 is [boy walking with bricks in his backpack and falls over]

00:37

inaccurate making answer C and D wrong so just cross them out reviewing

00:42

statement 2; Well the standard error of a statistic is not a measure of central

00:46

tendency it is a measure of variability and that means statement 2 is false and

00:52

answers B and E are off our list cross em off, there we go. So it looks like

00:57

statement 1 is accurate an option A is the correct answer the median of a

01:01

population is a measure of central tendency central tendency refers to the [Option A circled yellow]

01:06

middle value of data and is measured using the mean median or mode well the

01:10

median is the number that separates the higher half of a population from the

01:15

lower half consider the median to be the middle ground between the mountain and a [People hiking in the mountains]

01:19

hill of fire ants, for the record we would sooner climb to the top of the mountain

01:23

then picnic on top of a fire hill of ants different strokes for different folks [people running away from fire ants on a mountain]

01:32

you

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