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Statistics, Data, and Probability II Videos 30 videos
CAHSEE Math Statistics, Data, and Probability II: Drill 1 Problem 1. Which of the following tables best represents the relationship between the val...
Statistics, Data, and Probability II Drill 1, Problem 2. Based on the chart, which of the following statements is true?
CAHSEE Math Statistics, Data, and Probability II: Drill Set 1, Problem 3. Based on the following, 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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