A company wants to collect data on customer satisfaction with its new product. Which method would be most appropriate? A. Sending a survey to all customers who purchased the product B. Interviewing a few employees about the product's quality C. Asking only customers who gave positive feedback D. Reading online reviews posted by customers
Which of the following is NOT a method of data collection in statistics? A. Observations B. Experiments C. Surveys D. Guessing
Which of the following is the best example of a well-designed method for collecting data in a statistical study? A. Asking only your friends about their favorite type of music and using that data to conclude the most popular genre in your city. B. Randomly selecting 100 households from a city's population and surveying them about their monthly electricity usage. C. Posting a survey on social media and analyzing responses from those who choose to participate. D. Observing how customers behave in a single store and generalizing that behavior to all stores in the country.
Which type of graph is most used to represent data from a frequency distribution table? A. Line graph B. Pie chart C. Histogram D. Scatter plot
Which graph is used to show the relationship of a part to the whole? A.) pie graph B.) pictograph C.) pizza graph D.) bar graph
Which of the following graph that use line segments to show the quantitative changes or trend in each set of data over a period? A.) Bar graph B.) Line graph C.) Pictograph D.) Pie graph
What is the visual representation of data uses bars with different heights and lengths? A.) Bar graph B.) Line graph C.) Pictograph D.) Pie graph
Which situation would be represented by the integer +12? A temperature rise of 12°C from freezing. A bank account balance of -12 dollars. A debt of $12 to a friend. A loss of 12 points in a sports game.
A diver is at different depths at different times: At Time 1, the diver is 25 meters below sea level. At Time 2, the diver is 10 meters above sea level. At Time 3, the diver is 40 meters below sea level. Which of the following positions is the deepest? A. Time 1 B. Time 2 C. Time 3 D. All positions are the same depth
Which of the following is the correct rule for adding two integers with the same sign? Add their absolute values and keep the sign. Add their absolute values and change the sign. C. Subtract their absolute values and keep the sign. Subtract their absolute values and change the sign.
Which of the following is the correct rule for subtracting integers? A. Subtract their absolute values and change the sign. B. Subtract the second integer’s absolute value from the first integer’s absolute value and keep the sign of the first integer. C. To subtract, change the subtraction to addition and negate the second integer. D. Subtract both integers and keep the sign of the second integer.
If you multiply three negative integers, such as , what will the product be? A. Positive B. Negative C. Zero D. Undefined
What is the rule for multiplying two integers with the same sign? Multiply the absolute values, and the result is positive. Multiply the absolute values, and the result is negative. C. Subtract the absolute values, and the result is positive. D. Subtract the absolute values, and the result is negative.
What is the rule for dividing two integers with different signs? Divide the absolute values, and the result is positive. Divide the absolute values and the result is negative. Multiply the absolute values, and the result is positive. Multiply the absolute values, and the result is negative.
A person’s temperature is 10°C above freezing. During the night, the temperature drops by 15°C. What is the temperature in the morning? A. -5°C B. 5°C C. 25°C D. -25°C
Which of the following statements about PEMDAS is true ? Addition always comes before subtraction. Multiplication always comes before division. Parentheses override all other operations. Exponents are solved after addition and subtraction.
Which of the following represents the distance of a number on a number line? A. Absolute Value B. Distance Line C. Integers D. Lining
Which statement is correct? A. - 15 > 15 B. 26 < 14 C. - 12 > - 15 D. - 45 > 35
A mountain range has peaks with the following elevations (in meters): Peak A: 200 meters above sea level Peak B: −150 meters below sea level Peak C: 50 meters above sea level Which of the following is the correct order of the peaks from lowest to highest elevation? Peak B, Peak C, Peak A Peak C, Peak A, Peak B Peak B, Peak A, Peak C Peak A, Peak B, Peak C
Which situation would be represented by the integer +12? A temperature rise of 12°C from freezing. A bank account balance of -12 dollars. A debt of $12 to a friend. A loss of 12 points in a sports game.
What is the primary purpose of using random sampling in data collection? To save time and money To make the data look more interesting To ensure the sample is representative of the population To collect data only from a specific group of people
A factory produces 500 units per day, but due to defective parts, it loses 10 units per day for 15 days. How many units were lost in total? A. 150 units B. -150 units C. 5000 units D . 350 units