You are interested in the weights of backpacks students carry to class and decide to conduct a study using the backpacks carried by 30 students.

(a) Give some instructions for weighing the backpacks. Include unit of measure, accuracy of measure, and type of scale.

each backpack will be weighted using kilograms for most accurate measurement. using a scale, set each backpack on the scale and record its weight. ensure before weighing that the scale is zeroed out. a platform scale is the best kind for this experiment.

To conduct a study on the weights of backpacks carried by 30 students, follow these instructions for weighing the backpacks:

1. Choose a suitable weighing scale: Use a digital weighing scale preferably, as it provides more accurate readings. Make sure the scale has a sufficient weight capacity to accommodate the heaviest backpack anticipated.

2. Ensure the scale is calibrated: Before starting the measurements, verify that the scale is properly calibrated to provide accurate readings.

3. Unit of measure: Set the scale to measure weight in kilograms (kg) or pounds (lb), depending on your preferred unit of measure. It is advisable to select one unit of measure consistently to maintain uniformity in the data collected.

4. Accuracy of measure: For precise results, aim for a scale that can measure weight with at least two decimal places (e.g., 0.01 kg or 0.01 lb). This level of accuracy will allow you to capture even small differences in the backpack weights.

5. Collecting data: Assign unique identifiers or numbers for each student and record their weights in the respective units of measure (kg or lb).

6. Standardize the weighing process: To ensure consistent measurements, follow the same procedure for weighing each backpack. For example, ask students to empty their backpacks before weighing them. Make sure they stand still on the scale and avoid touching or leaning on any surface while their backpack is being weighed.

7. Take multiple measurements if necessary: If you want to improve accuracy or check for consistency, consider taking two or more measurements of each backpack, and average the results.

8. Document the results: Record the measured weight of each backpack along with the unique identifier or number assigned to each student. This data will be useful for analysis later on.

Remember, obtaining consent from the participating students and strictly adhering to ethical guidelines is important when conducting any study involving human subjects.

To conduct a study on the weights of backpacks carried by 30 students, you will need to follow these instructions for weighing the backpacks:

1. Unit of measure: Use a standard unit of measure, such as kilograms (kg) or pounds (lbs), to record the weights consistently.

2. Accuracy of measure: Ensure that the measurement is as accurate as possible. Use a scale that provides at least one decimal place of precision, such as a digital scale, to capture fine differences in weight. This will allow you to obtain more accurate data for your study.

3. Type of scale: Choose a reliable and appropriate scale for weighing the backpacks. A bathroom scale or a luggage scale can be suitable for this purpose. Make sure the scale has sufficient capacity to measure the weights of the backpacks accurately.

Instructions for weighing the backpacks:
1. Inform and seek consent: Before weighing any backpack, explain the purpose of the study to the students and seek their consent to participate.

2. Empty the backpack: Ask each student to empty their backpack completely. This ensures that only the weight of the backpack itself is being measured, without any additional items.

3. Prepare the scale: Place the scale on a flat and stable surface to get accurate readings. Ensure that the scale is calibrated properly before each measurement.

4. Weigh the backpack: Ask the student to place the empty backpack on the scale, making sure it is within the scale's capacity. Wait for the scale to stabilize and record the weight displayed on the scale.

5. Repeat for each student: Repeat the process for all 30 students, recording the weight of each backpack.

6. Document the data: Create a spreadsheet or use any other method to record the backpack weights for each student. This will help you organize and analyze the data later.

Remember to maintain confidentiality and respect the privacy of the students throughout the process.