Mathematics 7 Third Quarter Exam

Which of the following is a method of sampling that involves selecting individuals based on their availability?

• Convenience sampling

• Random sampling

• Stratified sampling

• Systematic sampling

Why is it important for a certain school to use stratified sampling when surveying students about their favorite extracurricular activities?

• It simplifies the data collection process.

• It guarantees that the survey results will be accurate.

• It ensures that every student has an equal chance of being selected.

• It ensures that specific groups within the student body such as grade levels or clubs are adequately represented.

A certain barangay decides to survey every 5th household listed in their list of households database starting from a random point, what type of sampling technique are they using?

• Cluster sampling

• Convenience sampling

• Stratified sampling

• Systematic sampling

After conducting a survey, the SSLG finds that 70% of students prefer sports activities, while only 15% prefer arts and 15% prefer academic clubs. What can be concluded from this data regarding student preferences?

• The survey was biased towards sports activities.

• Students are not interested in arts or academic clubs.

• The majority of students have a strong preference for sports over other activities.

• All students enjoy participating in extracurricular activities equally with other members.

What is the purpose of a frequency distribution table?

• To calculate averages

• To display data visually

• To summarize qualitative data

• To organize data and show how often each value occurs

From the results, which of the following describes an interval of 2 hours?

• 0-1

• 0-2

• 2-5

• 7-10

How many respondents spent between 3 and 4 hours on recreational activities?

• 9

• 10

• 11

• 12

After creating a frequency distribution table from the survey data, which interval has the highest frequency?

• 0-2 hours

• 3-4 hours

• 5-6 hours

• 7-8 hours

If the local community center wants to encourage more recreational activities among residents who spend less than 5 hours, what conclusion can be drawn from the frequency distribution table?

• Most residents are already active.

• The survey was biased towards inactive individuals.

• All residents are satisfied with their current activity levels.

• There is potential for increasing participation among those who spend fewer than five hours.

What type of graph best represents the proportion of students who prefer each type of music?

• Bar graph

• Line graph

• Pie chart

• Stem-and-leaf plot