Unit 6 Quiz 1 Practice

Identify the following value from the box-and-whisker plot:

Q1

• 69

• 79

• 85

• 93

• 98

Answer explanation

Identify the following value from the box-and-whisker plot:

Q2 ("median")

• 69

• 79

• 85

• 93

• 98

Answer explanation

Identify the following value from the box-and-whisker plot:

Q3

• 69

• 79

• 85

• 93

• 98

Answer explanation

0, 0, 3, 5, 4, 6, 5, 2

The data shows the minutes students spent on an Algebra Exit Ticket. Represent the data on the dot plot below by making dots for data points.

Answer explanation

0, 0, 3, 5, 4, 6, 5, 2

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Each data point must be drawn (even zero values!)

The box-and-whisker plots show survival and death rates for infants born with SIRDS based upon weight. Approximately, what percentage of infants with SIRDS that died had a weight above 1.60?

• 25%

• 50%

• 75%

• 100%

Answer explanation

Box-and-whisker plots can be divided into four equal parts of 25%.

----- ----- ----- -----

Weight above 1.60 includes the blue and yellow space

----- ----- ----- -----

Answer = 25% + 25% = 50%

The box-and-whisker plots show survival and death rates for infants born with SIRDS based upon weight. Approximately, what percentage of infants with SIRDS that died had a weight above 2.20?

• 25%

• 50%

• 75%

• 100%

Answer explanation

Box-and-whisker plots can be divided into four equal parts of 25%.

----- ----- ----- -----

Weight above 2.20 includes the yellow space

----- ----- ----- -----

Answer = 25%

The box-and-whisker plots show survival and death rates for infants born with SIRDS based upon weight. Approximately, what percentage of infants with SIRDS that died had a weight below 2.20?

• 25%

• 50%

• 75%

• 100%

Answer explanation

Box-and-whisker plots can be divided into four equal parts of 25%.

----- ----- ----- -----

Weight below 2.20 includes the red, green, and yellow space

----- ----- ----- -----

Answer = 25% + 25% + 25% = 75%

Create a box-and-whisker plot again for the data.

L = [1, 0, 8, 5, 6, 3, 9]

Answer explanation

L = [1, 0, 8, 5, 6, 3, 9]

stats (L)

----- ----- ----- -----

Type the above in Desmos for the 5 number summary.

Min= 0

Q1= 1

Median= 5

Q3= 8

Max= 9

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Use the 5 number summary to draw the box-and-whisker plot