Practice Statistics Like a Champion

The number of absences for each student in Mr. Lee’s class is 1, 1, 0, 5, 0, 20, 0, 3, 0, 2, 2, 2, 1, 1. Which box plot best represents the data?

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Which statistic can not be determined from a box plot representing the scores on a math test in Mrs. Wilson's algebra class?

• the lowest score

• the median score

• the highest score

• the score that occurs most frequently

All juniors and seniors who drive to school are required to park in Student Parking Lot A. The transportation director tracks the number of vehicles parked in Student Parking Lot A for a month. The results are recorded in the box plots to the left. Which statement best represents The box plots?

• More seniors had vehicles to drive than juniors.

• Seniors drove to school more consistently than juniors.

• If a vehicle were chosen at random, it would most likely be one driven by a senior.

• On any given day of the month, there were more vehicles driven by seniors than driven by juniors.

Given the following data set: {65, 70, 70, 70, 70, 80, 80, 80, 85, 90, 90, 95, 95, 95, 100} Which representations are correct for this data set?

• I and II only

• I and III only

• II and III only

• I, II, and III

An election involving four candidates for mayor has been held. Of the following, which is the best way to represent the percentage of votes each candidate received?

• circle graph

• box plot

• scatterplot

• histogram

The box-and-whiskers plot below shows the distribution of scores for the members of a bowling team.

Kristy’s score is in the bottom 25% of the scores, but she does not have the lowest score. Which of the following is a possible value for Kristy’s score?

• 30

• 40

• 70

• 90

The histogram shows the population, in thousands, of different age groups in a city.

Based on the histogram, what fraction of the total population of the city is between the ages of 20 and 59?

The histogram below shows the lengths, in minutes, of the movies shown at Noble Cinema last month.

Based on the histogram, which of the following is true?

• There were a total of twelve movies that were less than 100 minutes long.

• The majority of the movies were between 130 and 134 minutes long.

• The median movie length was between 105 and 109 mintues.

• The number of movies shorter than 105 minutes was the same as the number of movies longer than 104 minutes.

Members of a gym recorded the number of sit-ups they did in one minute. The results are shown in the line plot below.

Which of the following histograms best represents the data?

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A store sells different colored pens. The circle graph below represents all pens for sale at the store.

There are 200 black pens for sale at the store. How many blue pens are for sale at the store?

• 70

• 115

• 175

• 190