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Statistical Measures Videos 11 videos
All of the following statistical measures of the data above have the same value EXCEPT for
What is the median number of slices eaten per customer?
What was Wendy's average quiz grade over the last 10 days?
TSI Math: Understanding Mean, Median, Mode, and Range 93 Views
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Description:
All of the following statistical measures of the data above have the same value EXCEPT for
- Data Analysis, Statistics, and Probability / Statistical Measures
- TSI Math / Data Analysis, Statistics, and Probability
- Test Prep / TSI
- TSI Mathematics / Data Analysis, Statistics, and Probability
- TSI / TSI Math
- Data Analysis, Statistics, and Probability / Statistical Measures
- TSI / TSI Mathematics
- Test Prep / TSI
Transcript
- 00:02
Okay sy math people Here we go Another one for
- 00:04
you on this graph with all the funky lawn mowing
- 00:07
money thing on it All right all the following statistical
- 00:09
measures of the data have the same value except what
- 00:18
Mmm Are luckily this question isn't his painful as an
Full Transcript
- 00:22
mmr booster shot ever had one of those yet you're
- 00:24
bruised for a week Alright to analyze the data from
- 00:27
the bar graph Well first write it in ascending order
- 00:30
So we got our slacker shane here which were start
- 00:33
but it's like fifty sixty eighty ninety nine one hundred
- 00:36
one hundred ten twenty and forty that's it's everyone Well
- 00:38
the median of the data is the middle number while
- 00:41
we have ten data points so there isn't a single
- 00:43
middle number there too and the median is the average
- 00:46
of these two middle number's Luckily both middle number's air
- 00:49
ninety So the median is ninety Yeah that was anti
- 00:52
climactic Well the mean of the data is the average
- 00:55
which we calculate by adding everything up and then dividing
- 00:58
by the number of data points So we add all
- 01:00
these Numbers up then divide by 10 and we get
- 01:01
an average of ninety for right nine forty over ten
- 01:04
Well the media doesn't mean i don't have the same
- 01:06
value So one of these two is the exception will
- 01:09
calculate the mode and see if it's ninety or ninety
- 01:12
For whichever one it's not while that's the winner or
- 01:14
loser the mode of the data is the value that
- 01:17
repeats most frequently well ninety appears three times more than
- 01:21
any other value so the mode is ninety The media
- 01:24
in the mod have the same value so the exception
- 01:27
is the mean We also see that the range of
- 01:29
difference between largest and smalls values is also magically ninety
- 01:33
which seals the deal So the answer is b mean 00:01:36.74 --> [endTime] we are shmoop
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