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CAHSEE Math 5.4 Statistics, Data, and Probability II 177 Views


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Statistics, Data, and Probability II Drill 5, Problem 4. Based on this plot, a person making $80,000 a year has been working at the company for how many years?

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Transcript

00:03

Here’s your shmoop du jour…

00:05

The salaries of 20 employees and the number

00:07

of years that they worked at their boomerang company are graphed in the following plot. 

00:11

Their love of boomerangs keeps them coming back each day.

00:15

That… and the phenomenon of gyroscopic precession…

00:19

Based on this plot, a person making $80,000

00:21

a year has been working at the company for how many years?

00:25

And here are the potential answers...

00:29

OK, so this question asks us to read a scatter plot. Well, it certainly isn’t… pointless…

00:35

So… let’s find the 80 grand line – it’s here.

00:38

Scan to the right until we hit those red zit thingies. We hit ‘em about here at the Oxy 20 gap.

00:43

Only problem is… there isn’t a single spot at which our dots cross this mark.

00:48

Once an employee starts making $80,000 a year, their salary tends to… plateau.

00:53

So frankly… we really can’t determine how long someone’s been boomeranging it

00:57

up when they’re bringing home 80k a year.

01:00

Answer D. As in, “Dedication.”

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