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CAHSEE Math 4.5 Statistics, Data, and Probability II 175 Views


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Description:

Statistics, Data, and Probability II Drill 4 Problem 5. Based on the graph, which of the following statements is true?

Language:
English Language

Transcript

00:03

Shmoopy question at 10 o’clock…

00:05

The following plot shows the relationship between the amount of postsecondary education

00:09

and the amount of student loan debt for several students.

00:12

Kinda makes you want to take over the family restaurant instead, doesn’t it?

00:16

Based on the graph, which of the following statements is true?

00:19

And here are the potential answers...

00:27

Can we read a scatter plot? It may SOUND gross… but these puppies are really useful.

00:32

There’s no magic bullet to help us answer this one – we just have to go through the

00:35

potential answers one by one. And Boom. We don’t have to go far.

00:39

Option A says that there is a positive correlation between amount of education and debt –

00:46

and yeah – they both go up as they increase.

00:49

They are said to be POSITIVELY correlated.

00:52

All the other choices go the wrong way – that is, when the x axis increases, the y decreases

00:57

and vice versa.

00:58

So… let’s not waste time needlessly. That’s a job for the House of Representatives.

01:03

A is our answer.

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