Unit Review Course 1

Which of the following questions are statistical questions?

• What time did the students in this class get up this morning?

• How long did it take you to get to school today?

• Who is the most popular musical artist at your school?

• What is you favorite type of drink at Starbucks?

The data set represents the number of hours 19 band members practiced their instruments this week.

4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9

Draw a box plot.

The data set represents the heights, in inches, of 20 players on a soccer team.

58, 58, 59, 59, 60, 60, 61, 61, 62, 62, 63, 63, 63, 63, 64, 65, 66, 66, 67, 68

Find the five number summary for this data set.

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Each set of data was collected from surveys to answer statistical questions. Select allof the data sets that represent categorical data.

• {5.5, 5.6, 5.7, 7.2, 7.9, 7, 6.6}

• {Right, Right, Right, Left, Right, Right, Left, Left}
  

• {A, A, D, A, C, B, D}
  

• {Dog, Dog, Cat, Bird, Dog, Fish, Cat, Hamster, Bird}

• {–12, –13, –15, –20, –22, –17}

What is the smallest value in the data set? Interpret this value in the situation.

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What is the median? Interpret this value in the situation.

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What is the IQR?

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The histogram represents a data set containing 60 values.Which interval contains the median?

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Which of the dot plots shows a skewed distribution?

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Which display could you use to find the median?

• Box plot

• Dot plot

• Histogram