What data collection method involves observing students without directly asking them questions?

Why is it necessary to select a representative sample when conducting a survey?

A company is testing two advertisements to see which one gets more customer engagement. Which research method should they use?

A researcher divides a school into grade levels and selects a few students from each grade. What sampling method is used?

What should a student do if they find an article about healthy eating written by someone who is not a nutritionist?

A scientist wants to find out which social media app is most used by teenagers. What is the best way to gather this data?

What is the best way to collect data on the impact of climate change on local plants?

What is a frequency distribution table used for?

In the dataset 8, 10, 10, 12, 14, 14, 14, 16, 18, what is the frequency of the number 14?

Why is it helpful to organize data in a frequency table?

A teacher surveys students about their favorite school subject. If 5 more students choose Math, how does this affect the frequency table?

A bakery tracks the number of customers per day: 15, 20, 25, 15, 30, 35, 25, 20, 30, 35. What percentage of the total visits were on days with exactly 25 customers?

Based on a survey of students' study habits, what conclusion can be drawn from the frequency table?

In a survey of students’ daily screen time recorded as: 2, 3, 4, 4, 5, 3, 6, 2, 5, 4, 3, 6, 5, 3, 4. Which statement is TRUE?

A company records defective products per week: 2, 4, 3, 5, 3, 4, 6, 5, 3, 4, 5, 6, 3, 4, 5. Which best describes the trend?

Which type of graph is best for comparing the number of books read by different grade levels?

Which type of graph is most useful for displaying parts of a whole, like the percentage of students reading different genres?

If you want to analyze individual student scores on a math test while also showing their frequency, which graph is most appropriate?

What key factor should you consider when deciding between a bar graph and a pie chart?

A company is tracking daily sales. What is the best reason for using a line graph?

Based on the number of visitors to the website from January to June, what does the trend suggest? January (700), February (850), March (900), April (750), May (800), June (950)

The ages of students in a class are: 11, 12, 13, 13, 14, 15, 15, 15, 16, 16, 17, 18. Which is the correct stem-and-leaf plot for this data?

A student reads the following number of pages per day: Monday (18), Tuesday (22), Wednesday (30), Thursday (28), Friday (35). Which day had the biggest increase from the previous day?

What conclusion can be made from the stem-and-leaf plot of these test scores: 60, 65, 70, 75, 80, 85, 90, 95?

If Team B scored 90 points and Team D scored 75 points, what is the difference in their scores?

In a bar graph, what does the height of each bar represent?

What does a significant gap between two bars in a bar graph suggest?

A histogram of student test scores shows a normal distribution. What does this mean?

If one school’s average test score is significantly lower than another school’s, what should a researcher do next?

How should a company use data from a stacked bar chart comparing customer preferences for different product features?

When designing a bar graph, what ensures clarity?

What is the best way to make data clear on a sales dashboard?

Which statement is TRUE about integers?

If the morning temperature is 4°C and drops by 12°C, what is the new temperature?

A diver is 18 meters below sea level. He ascends 6 meters. What is his new depth?

Which number is an integer but not a natural number?

Which is a real-life example of a negative number?

A car moves 10 meters forward, then 7 meters backward, then 12 meters forward. Where is it now?

A temperature drops from 15°C to -5°C over a period of time. What is the temperature change?

A car starts at zero miles, moves 8 miles north, then moves 6 miles south. What is its final position?

A plane is flying at an altitude of 4,000 feet. It ascends 3,000 feet, then descends 5,500 feet. What is its final altitude?

Which number is between -8 and -3 on the number line?

A student places -6 on the number line. If they move 4 steps to the left, where will they land?

A person starts at position -4 on a number line. If they walk 6 units to the left, then 9 units to the right, what is their final position?

A bus starts 12 meters ahead of a bus stop, moves 20 meters in reverse, then moves 8 meters forward. What is its final position relative to the bus stop?

A car is moving along a straight road. It starts at position 0, moves 10 miles forward, then 7 miles backward, then 12 miles forward. What is its final position?

Which of the following sets of integers is in the correct order from least to greatest?

Which number is greater than -15 but less than 10?

The recorded temperatures of a city at different times of the day are: -3°C, 5°C, 0°C, -7°C. Which of these is the coldest temperature?

A restaurant records its monthly profits and losses as follows: ₱2,500, -₱600, ₱1,800, -₱200, ₱3,500. What is the total profit or loss for the month?