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CAHSEE Math 5.1 Statistics, Data, and Probability II 168 Views

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Description:

Statistics, Data, and Probability II Drill 5 Problem 1. Based on the data, a student who had missed 10 days of school can expect his GPA to be about what?

Language:

English Language

Subjects:

Tags:

Statistics, Data Analysis, and Probability 7 / Scatterplots

Common Core Standards:

Transcript

00:03
Here’s a question you can really shmoop to…
00:05
Edgar has made a shocking, controversial claim
00:08
– that more time spent in school means better grades. Wow. Really going out on a limb there, eh, Eddie?
00:14
He conducted a survey asking students about
00:16
the number of days that they were absent in a semester, and their semester GPAs.

00:21
The results are shown in the plot below. Based on this, a student who had missed 10
00:26
days of school can expect his GPA to be about… what?
00:30
And here are the potential answers...
00:39
The data isn’t all that surprising.
00:41
Huck Finn, king of the hookey-players, wasn’t exactly valedictorian material.
00:46
So a kid who has missed 10 days – right here on the x axis - would expect a GPA of
00:50
about 2.0 if we draw the line right up here into this… red dot cloud of confusion.
00:59
So… our answer is B.
01:00
Which was, incidentally, the best score Huck ever got on a report card.
Full Transcript