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PSAT Math Diagnostic Videos 41 videos
PSAT 1.10 Math Diagnostic. Which of the following is a factor of the expression?
PSAT 1.3 Math Diagnostic. Which of the following most nearly represents the line of best fit?
PSAT 1.4 Math Diagnostic. Which of the following conclusions is supported by the data in the graph?
PSAT 1.21 Math Diagnostic 177 Views
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Description:
PSAT 1.21 Math Diagnostic. The map above shows the electoral votes for the western part of the United States. Which of the following statements is true?
More Video DetailsTranscript
- 00:00
Thank you We sneak And here's your shmoop du jour
- 00:05
Brought to you by alaska and hawaii whenever either of
- 00:09
them stays at a hotel there Never allowed to partake
- 00:12
of the continental breakfast All right check out this math
- 00:14
right there See alaskan lying there All right The map
Full Transcript
- 00:17
above shows the electoral votes for the western part of
- 00:20
the united states Which of the following statements is true
- 00:23
and new land I mean senator range Another one of
- 00:29
those questions where there's only one truth teller and the
- 00:32
other three answer choices are liars liars with their pants
- 00:35
on fire No other way to approach a problem like
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this Then teo take them one by one And fact
- 00:41
check him in order We'll start with option A mean
- 00:43
number of electoral votes is the same as the median
- 00:47
All right quick refresher on what those two words mean
- 00:49
incase we in conveniently forgot I mean is the same
- 00:53
as average where we total up all the values in
- 00:56
a data set then divide them by the number of
- 00:59
items The median is simply the middle of value in
- 01:03
the data set when the values are arranged from high
- 01:06
to low So to see if a is bogus or
- 01:09
not we're gonna have to write out all the state's
- 01:11
electoral votes starting with the small fries and going all
- 01:15
the way up to the big cheese You must be
- 01:18
getting close to lunchtime All right we'll hear those values
- 01:20
started from low to high few threes couple for three
- 01:24
five seven and nine a ten and eleven and a
- 01:28
bingle fifty five try to keep the bragging to a
- 01:31
venom of their california Totalling all these we get one
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hundred twenty for which divided by thirteen The number of
- 01:38
states we just covered comes out to around nine and
- 01:40
a half which is not a match for the media
- 01:43
in which in this case is five So option a
- 01:46
can take a flying leap into the pacific ocean What
- 01:48
about beat Fifty percent of the state's have seven or
- 01:51
fewer electoral votes Let's look back at our order list
- 01:56
No way can easily see just by eyeballing the sucker
- 01:59
that there are only a few states with more than
- 02:02
seven votes while the clear majority has seven or fewer
- 02:06
buil d fall short as well Art option b is
- 02:09
the range of electoral votes Fifty eight Well the range
- 02:12
is the difference between the smallest and the largest value
- 02:16
In a data set in this instance the difference between
- 02:19
fifty five and three fifty two not fifty eight Like
- 02:24
the test question making their added and set us attracted
- 02:27
just tricky The order of our answer D the correct
- 02:33
answer is c The media number of electoral votes is
- 02:36
five Well yeah we figured that out way back when
- 02:40
you know when we eliminated off today so see it
- 02:42
is we're hawaii and alaska They get hardly any electoral
- 02:46
votes and they never get invited to any of the 00:02:49.065 --> [endTime] cool parties
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