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Playlist CAHSEE Math Test Prep: Statistics, Data, and Probability II 30 videos

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CAHSEE Math 3.2 Statistics, Data, and Probability II
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Statistics, Data, and Probability II Drill 3 Problem 2. Which two sports together make up for the preferences of more than half of all those w...

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

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

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CAHSEE Math 1.1 Statistics, Data, and Probability II
191 Views

CAHSEE Math Statistics, Data, and Probability II: Drill 1 Problem 1. Which of the following tables best represents the relationship between the val...

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CAHSEE Math 6.4 Statistics, Data, and Probability II 187 Views


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Description:

Statistics, Data, and Probability II Drill 6 Problem 4. What conclusion can be drawn from the graph?

Language:
English Language

Transcript

00:04

Here’s your shmoop du jour…

00:06

Mark kept track of the time he spent online each month for the past year.

00:10

The truth can be scary. This guy likes his Minecraft.

00:14

The graph below shows the time Mark spent online in hours and the cost of the internet access.

00:19

What conclusion can be drawn from the graph?

00:23

And here are the potential answers...

00:26

OK, so this question is a scatter plot that… isn’t very scattered.

00:29

It basically looks like the heart monitor of a guy whose heart isn’t… doing so hot.

00:34

Let’s just read through the potential answers and, hopefully, one should jump out at us.

00:38

A “He spends approximately the same amount of time online each month.”

00:43

Well – no – he’s all over the map from here to here… like 2 hours to about 65.

00:48

So A is false.

00:49

B “He is charged according to the time spent online.”

00:54

No – the dollar amounts basically never change – he clearly has the “all you can eat" plan.

01:01

C “He is charged the same no matter how much time he spends online.” Correctamundo.

01:08

D “He is charged according to how much he downloads.”

01:11

Fortunately for Mark… no he’s not.

01:13

Or else he’d have to field some pretty tough questions from his mother… and the family therapist.

01:22

So the answer is C.

01:23

We also would have accepted that the answer is… “Mark really needs to get a life.”

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