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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?
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.
Full Transcript
- 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.
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