NC.8.SP.4 Exam Prep

A movie theater surveyed its patrons to determine the relationship between their age group and their preference for action movies. Based on the relative frequency table, which statement is true?

• 40% of the people who prefer action movies are between the ages of 12-18.

• 25% of people aged 31+ prefer action movies.

• 50% of the people who do not prefer action movies are aged 31+.

• The probability that a person is aged 19-30 is 0.35.

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NC.8.SP.4

A university studied the relationship between a student's major and their living situation. The results are shown in the table. The university concluded that, for those surveyed, Science majors are less likely to live on campus than Arts majors. Which explanation best supports this conclusion?

• For Science majors, 120 live on campus, while for Arts majors, 150 live on campus.

• 60% of Science majors live on campus, while 75% of Arts majors live on campus.

• 50% of the students who live off campus are Arts majors.

• The total number of students surveyed is 400.

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NC.8.SP.4

A health survey asked students about their dietary habits, separating the results by gender. The results are shown in the table. Which statement is not true according to the results of this survey?

• A higher percentage of males than females are omnivores.

• A lower percentage of males than females are vegetarians.

• A lower percentage of males than females are vegans.

• A higher lower percentage of females than males are vegetarians.

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NC.8.SP.4

A school counselor collected data on high school students' post-graduation plans, separating the results by grade level. The relative frequency table shows the proportion of students in each grade who chose each option. Based on the table, which statement is true?

• 50% of students going to college are juniors.

• Of the students surveyed, 15% are seniors going into the military.

• 15% of juniors and 15% of seniors plan to enter the military.

• The total number of students going to vocational school is 0.24.

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NC.8.SP.4

A movie theater surveyed patrons about their movie genre preference and satisfaction with their viewing experience. The results are shown in the table. Which conclusion reflects the patterns of association in the table?

• A greater percentage of patrons who watched a comedy movie were satisfied than those who watched an action movie.

• A greater number of patrons watched an action movie than a comedy movie.

• The majority of patrons were not satisfied with their viewing experience.

• Patrons who watched an action movie were more likely to be satisfied than not satisfied.

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NC.8.SP.4

A movie theater surveyed patrons about their movie genre preference and satisfaction with their viewing experience. The results are shown in the table. Which conclusion reflects the patterns of association in the table?

• A greater percentage of patrons who watched a comedy movie were satisfied than those who watched an action movie.

• A greater number of patrons watched an action movie than a comedy movie.

• The majority of patrons were not satisfied with their viewing experience.

• Patrons who watched an action movie were more likely to be satisfied than not satisfied.

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NC.8.SP.4

A gym conducted a survey of 950 members about their primary workout style. This relative frequency table shows the results based on their age group. How many of the gym members surveyed are between the ages of 31 and 50 and primarily do strength training?

• 10

• 15

• 95

• 143

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NC.8.SP.4

A restaurant manager surveyed diners on their preferred beverage: soda or water. The table shows the results, categorized by gender. Which conclusion is true?

• Most males and females prefer water.

• Males prefer water more than females.

• Females prefer water more than soda.

• Both males and females prefer soda equally.

A movie theater surveyed patrons on their favorite movie genre: action or comedy. The table shows the number of patrons who preferred each genre, categorized by age group. In about what percent of the patrons over 30 did they prefer a comedy movie?

• 70%

• 30%

• 20%

• 60%

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NC.8.SP.4

A movie theater surveyed patrons on their favorite movie genre: action or horror. They also recorded the age group of the patrons. The data is recorded in the table. In about what percent of the patrons who prefer horror movies are between 18 and 30 years old?

• 57%

• 40%

• 70%

• 30%

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NC.8.SP.4