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Statistics, Data Analysis, and Probability 7 Videos 15 videos

CAHSEE Math 1.2 Statistics, Data, and Probability II
199 Views

Statistics, Data, and Probability II Drill 1, Problem 2. Based on the chart, which of the following statements is true?

CAHSEE Math 1.3 Statistics, Data, and Probability II
169 Views

CAHSEE Math Statistics, Data, and Probability II: Drill Set 1, Problem 3. Based on the following, which of the following statements is true? 

Statistics, Data, and Probability
181 Views

Statistics, Data, and Probability II: Drill Set 1, Problem 4. Which of the following pie charts correctly represents the data given in the table?

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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

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.

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