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AP Statistics 3.3 Statistical Inference 17 Views
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Description:
AP Statistics 3.3 Statistical Inference. Which of the following statements is true?
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]
Full Transcript
- 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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