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Statistics, Data, and Probability I: Drill Set 2, Problem 2. If this trend continues, what will be the price in week 7?
Statistics, Data, and Probability I: Drill Set 2, Problem 3. Which of the following statements is true?
Statistics, Data, and Probability I: Drill Set 2, Problem 4. Which of the following statements is true?
CAHSEE Math 2.2 Statistics, Data, and Probability II 174 Views
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Description:
Statistics, Data, and Probability II Drill 2 Problem 2. Based on the graph, which of the following is correct?
Transcript
- 00:03
Here’s a shmoopy question comin’ at ya…
- 00:05
The amount of time (in minutes) two brothers,
- 00:08
Ben and Bob, spent playing sports over the course of a week are shown in the following figure.
- 00:14
For the purposes of this question, we will consider soccer a sport.
- 00:20
Based on the graph, which of the following is correct?
Full Transcript
- 00:23
And here are the potential options…
- 00:26
Can we read a graph? We’ll see...
- 00:29
We have to just go through the potential answers one by one.
- 00:33
A. “Over the course of the entire week, Bob spent more time playing sports than Ben.”
- 00:39
So clearly we’re gonna need to add the total amount of time spent by each to answer this
- 00:43
question – let’s just make a little table:
- 00:51
We can just add the numbers –
- 00:58
and boom - A is correct.
- 01:00
And really, we could have just looked at the graph…
- 01:03
…Bob smokes Ben for minutes practiced every day of the week except Saturday and only “loses”
- 01:07
by a small amount that day…
- 01:09
…so just a quick glance could have told us that A was our guy.
- 01:13
There’s not even a need to test the rest. We can save our energy.
- 01:16
In case we want to, you know… play soccer.
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