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CAHSEE Math 3.3 Statistics, Data, and Probability II 198 Views

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Description:

Statistics, Data, and Probability II Drill 3 Problem 3. One hundred twenty of those who were asked preferred what sport?

Language:

English Language

Subjects:

Tags:

Statistics, Data Analysis, and Probability 7 / Representing

Common Core Standards:

Transcript

00:03
Here’s your shmoop du jour...
00:05
Lavenia invited some people over to watch sports.
00:08
She wasn’t anticipating a turn-out of 400 people though. MAN, she has a lot of friends.
00:13
She took a poll that asked all 400 people what their favorite sport to watch on tv was.
00:18
The results are displayed in the graph below.

00:23
One hundred twenty of those who were asked preferred… what sport?
00:28
And here are the potential answers…
00:35
Can we read a pretty colored pie chart? You bet.
00:38
The question asks for a percentage – it’s asking ‘what is 120 divided by the total of 400’?
00:45
A shame it doesn’t just come out and SAY that. Guess it has transparency issues.
00:51
Anyway, when we do the math we get 12 over 40 or 6 over 20 or 3 over 10… which is 0.3.
00:57
It's easy to convert this into a percentage.
01:00
All we have to do is multiply it by 10 and we see that it’s 30%.
01:05
So… which two sports combined give us a total of 30%?
01:09
Well, hockey and baseball are both 15%, so the answer is D.
Full Transcript