Grade 10 End of Week 4 Assessment

The percentile represents the....

• percent of data values that are below.
• percent of data values that are above.
• number of data values that are below.
• number of data values that are below.

Using the given double box-and-whisker plot, determine the percent of the boys and then the percent of the girls who are 66 inches or shorter.

• 25%, 75%

• 75%, 25%

• 50%, 75%

• 50%, 25%

Calculate the Lower Quartile of this distribution.

(Write the figure only)

Calculate the Upper Quartile of this distribution.

(Write the figure only)

Which set of data could be represented by the given box-and-whisker plot?

• 72, 72, 78, 80, 78, 76, 76, 76

• 80, 80, 78, 72, 76, 71, 76, 76

• 79, 76, 76, 78, 72, 79, 80, 72

• 78, 72, 78, 76, 76, 72, 76, 81

The test scores for a physics test are displayed in the following box-and-whisker plot. Determine the percent of students who had scores between 85 and 120.

(leave out the % in your answer)

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Chloe counted the number of cars that were parked on her road at 8:00 pm on 11 successive days. She presented her data as a list: 3, 8, 12, 6, 5, 6, 7, 9, 4, 10, 8.

She was surprised to find that the minimum number of cars that she counted was 3 and that the maximum number of cars was 12.

Calculate the median number of cars.

Chloe counted the number of cars that were parked on her road at 8:00 pm on 11 successive days. She presented her data as a list: 3, 8, 12, 6, 5, 6, 7, 9, 4, 10, 8.

She was surprised to find that the minimum number of cars that she counted was 3 and that the maximum number of cars was 12.

Calculate the lower quartile for the number of cars.

Chloe counted the number of cars that were parked on her road at 8:00 pm on 11 successive days. She presented her data as a list: 3, 8, 12, 6, 5, 6, 7, 9, 4, 10, 8.

She was surprised to find that the minimum number of cars that she counted was 3 and that the maximum number of cars was 12.

Calculate the upper quartile for the number of cars.