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Data Interpretation 1199 Views
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Description:
Data doesn't do us much good if we can't interpret it. Ever snuck into a CPA's office while he slips out for a coffee break and tried to decipher one of the spreadsheets on his PC? No? Uh... yeah, right, us neither.
- Mathematics and Statistics Assessment / Interpreting Categorical and Quantitive Data
- Statistics and Probability / Summarize, represent, and interpret data on a single variable
- Statistics and Probability / Summarize, represent, and interpret data on a single variable
- Statistics and Probability / Understand and evaluate random processes underlying statistical experiments
- Statistics and Probability / Make inferences and justify conclusions from sample surveys, experiments, and observational studies
- Statistics and Probability / Summarize, represent, and interpret data on a single variable
- Statistics and Probability / Summarize, represent, and interpret data on a single variable
- Statistics and Probability / Understand and evaluate random processes underlying statistical experiments
- Statistics and Probability / Make inferences and justify conclusions
Transcript
- 00:05
Data interpretation, a la Shmoop. You and your best friend do everything together.
- 00:12
Let's face it, you two are pretty much attached at the hip.
- 00:15
It's becoming complicated though, because you're starting to get a little better at
- 00:18
things than your BFF. You won the cookie eating contest.
- 00:23
You beat them in the potato sack race. You were able to swim all the way across the
Full Transcript
- 00:28
lake. You can feel things coming to a head.
- 00:33
So how can you two still be friends if you are so much better at everything than they
- 00:37
are? The answer? Data Interpretation!
- 00:40
In the world of Pre-Algebra -- and in many other mathematical worlds as well...
- 00:45
...data interpretation is the expression and analysis of data that you've collected.
- 00:50
A couple common tools used to interpret information and express data are Bar Graphs and Pie Charts.
- 00:57
No, no, no -- this kind of bar and this kind of pie.
- 01:01
Let's revisit the infamous cookie eating contest of last December...
- 01:05
...and make a bar graph of the results over the course of time.
- 01:08
As you'll recall, the goal was to eat 25 Chips Ahoy cookies as quickly as possible.
- 01:13
So yeah -- you won. But let's interpret this data with a bar graph
- 01:17
for you, and one for your friend... ...to see how we might be able to give your
- 01:21
friend some cookie-eating cred. Let's break the bars into chunks of time.
- 01:25
The first bar will be cookies consumed from start to minute two.
- 01:29
The second bar will be cookies consumed from minute two to minute four...
- 01:33
... and so on and so forth. Let's look at the two graphs side by side.
- 01:38
Is there any way we can make your friend the hero in this case?
- 01:42
As it turns out, your friend is actually a sprinter in the cookie consuming department.
- 01:45
He ate 8 cookies in the first two minutes while you only ate 5.
- 01:49
Of course you did come back for the win. But we definitely think his speedy consumption
- 01:54
is deserving of a shout-out. So... if you feel like you are always winning
- 01:58
- or always losing, for that matter... ...remember - there are different ways to
- 02:02
interpret the data from any particular event. And sometimes the interpretation may turn
- 02:07
you from a loser... into a wiener.
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