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AP Statistics Videos 40 videos
AP Statistics 2.1 Exploring Data. How does this change affect the mean, standard deviation, and IQR?
AP Statistics 5.1 Exploring Data. What does this information tell us about the data?
AP Statistics 5.2 Exploring Data. Which method would not be a good option?
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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