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Charts, Graphs, and Tables Videos 60 videos

SAT Math 6.1 Geometry and Measurement
3974 Views

SAT Math 6.1 Geometry and Measurement

Stem and Leaf Plots
8803 Views

This video covers how to set up a stem and leaf plot and use it to find the mean and median of a set of numbers.

Scatter Plots and Equations of Lines
33353 Views

Watch this video so you don't feel so scattered.

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Statistics, Data, and Probability 181 Views


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Description:

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

Language:
English Language

Transcript

00:03

Here's your shmoop du jour...

00:05

At Hogwarts, there's a raging debate about whether there are more witches or wizards on the premises.

00:11

The breakdown of the number of female and male students and faculty members

00:14

is shown below in the table.

00:16

Which of the following pie charts correctly represents the data given in the table?

00:20

And here are the potential answers...

00:28

The question is just asking us to take a percentage of the numbers given.

00:31

Let's start with female students.

00:33

First of all, we can sum up ALL the witches and wizards to get our total population...

00:39

475 + 425 + 35 + 25 equals 960.

00:46

475 out of 960 are female students, so we divide to get a percentage.

00:53

475 divided by 960 is about 49 percent...

00:59

...and there's only one chart that matches up.

01:01

We can double-check by running numbers on the male students, female faculty or male faculty...

01:07

...but honestly, we already have our answer, and life's too short.

01:10

These tests are timed, and you gotta wave your wand when you can.

01:13

Our answer is choice A.

01:15

As in... "'arry Potta'!"

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