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AP Statistics Videos 32 videos
AP Statistics: Exploring Data Drill 1, Problem 2. Which of the following is the best way to display this type of data?
AP Statistics: Exploring Data Drill 1, Problem 5. Which pieces of information would we need to create this graph?
AP Statistics: Exploring Data Drill 2, Problem 3. Which set of points, if put in a scatterplot, would show us a positive correlation?
AP Statistics 5.3 Exploring Data 173 Views
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Description:
AP Statistics 5.3 Exploring Data. What will their parallel box plots tell us about their scores?
Transcript
- 00:00
Thank you We sneak and here's your shmoop you sure
- 00:05
brought to you by the back row talking about you
- 00:07
guys Yeah the preferred row of loners and members of
- 00:11
the mob We were given the following five number summaries
- 00:14
of test scores for a student sitting in the front
Full Transcript
- 00:16
row and a student sitting in the back row of
- 00:18
class what will their parallel box plots tell us about
- 00:21
their scores Question People have been asking for ages please
- 00:26
for five minutes and hear the potential answers No All
- 00:32
right well it was the closest of students It was
- 00:35
the furthest away of students So we've got one kid
- 00:40
in the back row and one in the front were
- 00:42
given their lowest and the highest test scores plus the
- 00:45
median first and third corps tiles of each were being
- 00:49
asked about this data being shown in parallel bach platform
- 00:51
So let's See what that would look like before we
- 00:54
go any further Uh pretty would be even prettier if
- 00:57
we stuck a couple of bows on him Yeah they're
- 01:00
adorable Okay so let's found this one out Could the
- 01:03
box plus be telling us that a the person in
- 01:05
back had a smaller range of grades in the person
- 01:07
in front Well let's do some math only So bomb
- 01:10
This is a math problem After all the fellow in
- 01:13
front has a range of scores from seventy five to
- 01:15
ninety six which is a difference of twenty one While
- 01:17
the kidney back has a range from sixty seven in
- 01:20
ninety two difference of twenty five it was just the
- 01:23
opposite Mr back row has a larger range of grades
- 01:26
than his front row counterpart to uncross a off list
- 01:31
And we conclude that the person in front has a
- 01:33
smaller inter quartile range than the person in back no
- 01:37
more man Serious front row guys into court tell ranges
- 01:41
from seventy eight to eighty nine which is a difference
- 01:43
of eleven But same deal for back Rogue i eighty
- 01:47
five months Seventy four is also eleven So no option
- 01:50
being is the moon Do we know that See the
- 01:54
person in front has a higher average than the person
- 01:56
in back We don't have all the data points here
- 01:59
Just a few select one So so there's no way
- 02:00
to calculate the average Although we're gonna be boldly suggest
- 02:03
that neither of them is going to find the cure
- 02:05
cancer Well then it has to be one of the
- 02:07
last two Even a person and back has a left
- 02:09
or right skewed distribution Well which is it to figure
- 02:13
that out We always have to look at the median
- 02:15
when the media is very close to the first court
- 02:17
tile The distribution is skewed right When it's close to
- 02:20
the third quarter mile the distribution is skewed Left in
- 02:23
this case we've got a median of seventy six and
- 02:26
the first quarter Hell is right on top of it
- 02:28
It's seventy four Oh yeah The distribution is skewed right
- 02:31
which is option e nicely done with the head of
- 02:36
the class Or well stay in the back If you'd 00:02:38.29 --> [endTime] rather it's a
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