Coordinate Algebra Unit 4 EOC Review

Sarita recorded the number of minutes the bus was late. Organize her data into a frequency table.

3, 7, 0, 4, 10, 6, 8, 5, 3, 11, 12, 0, 7, 4, 8, 17, 15, 12, 13, 5

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Your friend asks a group of sixth graders how many DVDs they purchased within the past two years. Your friend shows you a dot plot he made to represent the data. How many sixth graders did he ask?

• 8

• 27

• 31

• 9

Which stem-and-leaf plot has a median of 23?

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Find the interquartile range of this data set.

3, 2, 11, 8, 9, 8, 7, 3, 5

• 3

• 8.3

• 5.5

• 6

Find the mean absolute deviation for this data set.

2, 3, 1, 5, 4

• 2.1

• 1

• 2

• 1.2

The number of pieces of candy in randomly selected jars are 20, 1, 29, 21, 40, 52, 41, 44, 60, 67. Display the data using a histogram.

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The number of laps around a track for five runners are 14, 8, 7, 4, 11. Display the data using a box-and-whisker plot.

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The ages of the U.S. Presidents that were inaugurated during the 1900s are given: 42, 51, 56, 55, 51, 54, 51, 60, 62, 43, 55, 56, 61, 52, 69, 64, 46

Look at the box-and-whisker plot of these data below. What, if anything is wrong with the box-and-whisker plot?

• The value of Q1 is incorrect.

• The median is incorrect.

• The value of Q3 is incorrect.

• The box-and-whisker plot is correct.

Suppose a probability distribution is represented by a histogram. Furthermore, suppose you can draw a vertical line through the histogram that divides the histogram into two parts that are mirror images. Which word is used to describe this distribution?

• Binomial

• Random

• Skewed

• Symmetric

Which data set has the greater median? By how much?

Set A: {5, 8, 17, 31, 38, 42, 42, 44, 45, 47, 57, 60}

Set B: {8, 13, 16, 20, 30, 38, 38, 39, 40, 52, 53, 56, 61, 68}

• B; 6

• A; 6.5

• B; 2

• A; 3.5