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10.3a Classwork (1)

Last updated almost 6 years ago

6 Nsɛmmisa

1. ACTIVITY: Describing the Shape of a Distribution

The lists below show the first three digits of a set of phone numbers in a phone book.

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1

1

1

2. ACTIVITY: Describing the Shape of a Distribution

The table shows the ages of cellular phones owned by a group of students.

1

1

1

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1.

1a. a. Create a list that shows the first digit of each phone number shown. Make a dot plot of the data.

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2.

1b. In your own words, how would you describe the shape of the distribution for the dot plat in question 1a? What single word do you think you can use to identify this type of distribution? Explain your reasoning.

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3.

1c. In your dot plot, draw a vertical line through the middle of the data set. What do you notice?

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4.

2a. Make a dot plot of the data.

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5.

2b. In your own words, how would you describe the shape of the distribution? Compare the distributions in Activities 1 and 2.

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6.

2c. Why do you think this type of distribution is called a skewed distribution?