Q22.
Question
Compare and contrast the three data collection techniques described in this lesson.
Step-by-Step Solution
Verified Answer
Similarity: All are used to collect data.
Difference: A survey collects data through responses, an observational study collects data through observation and an experiment collects data by changing the sample.
1Step 1. State the data collection techniques.
The three data collection techniques are:
Survey.
Observational study.
Experiment.
2Step 2. State the difference between them.
The difference between them is as follows:
Survey: Data is collected through responses by a sample.
Observational study: Data is collected through observing the sample
Experiment: Collects data by changing the sample.
3Step 3. State the answer with an explanation .
The similarity between them is as follows:
All are used to collect data to draw conclusions about the entire population.
Other exercises in this chapter
Q20.
Design and conduct your own survey. Write a question you would like to answer through a survey. The question should be meaningful to you. Describe the meth
View solution Q21.
Consider the following survey proposal. How do students feel about the new dress code? Divide the student body by their four grade levels. Then, take
View solution Q23.
Describe a real-world example of an observational study.
View solution Q24.
Explain why accurate surveys are important to companies, and how the companies use them.
View solution