Math Fundamentals
Descriptive Statistics

## 1 Displaying Information

Problem 1

Construct scatter diagrams for odd numbers and the sequence of squares using the tables shown.

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Stefanie
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Preston
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Cynthia

## 2 Introduction to Probability

Problem 1

Suppose you draw a card out of a $$52$$-card deck. You observe the color of the card in your hand. Give the sample space.

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Joshua
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Molly S.
Cynthia
Problem 2

Inside a jar are six ping-pong balls, each showing numbers $$1$$ through $$6$$. Give the sample space of the ping-pong balls you can select.

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Joshua
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Molly S.
Cynthia
Problem 3

Suppose you see five birds in a tree. Three of the birds are yellow and two are red. If one of them flew away, what is the probability that

1. it is yellow?

2. it is red?

3. it is brown?

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Joshua
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Molly S.
Cynthia
Problem 4

One card is drawn from a regular deck of $$52$$ cards. Find the probabilities associated with the following events.

1. The card is a $$5$$.

2. The card is a jack or a queen.

3. The card is a spade.

4. The card is not a $$5$$.

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Julieta
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Joshua
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Molly S.
Cynthia

## 3 Mean, Median, and Mode

Problem 1
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Joshua
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Lauren
Cynthia

## 4 Circle Graphs

Problem 1

The pie chart shows the market share for different digital movie companies.

1. How many people in the survey stream digital movies from Netflix?

2. How many people stream their digital movies from Apple and Comcast combined?

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Stephanie
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Joshua
Cynthia
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Mr. Perez
Problem 2

A recent study found that Americans spend just over six hours per day on social media sites. Construct a pie chart that shows the amount of time in a day spent on social media.

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Mr. Perez
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Joshua
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Molly S.
Cynthia
Problem 3

Construct a pie chart from the information in the table.

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Stephanie
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Joshua
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Mr. Perez
Cynthia