Science

With the upcoming presidential election, Ira decided to create a survey to find out who might win. He carefully created a valid survey and gave it to five of his closest friends. He then tallied the results from the surveys and published his data in the school newspaper.

Which of these would be a reason why Ira's results are not valid?

A. He only published his data in a school newspaper. He only published his data in a school newspaper.

B. The sample size of five was too small. The sample size of five was too small.

C. The survey was not good enough. The survey was not good enough.

D. There is no problem; the results are valid.

I chose A.

The correct answer is B. The sample size of five was too small. A sample size of only five is too small to accurately represent a larger population. The results may not be representative of the entire population and can be biased. Therefore, Ira's results cannot be considered valid.

That is true. I should of considered that. Thanks..

You're welcome! Sample size is an important factor to consider when conducting surveys or experiments. It's always a good idea to aim for a sample size that is large enough to provide accurate and representative results.

You are correct, option A is a reason why Ira's results may not be valid. The fact that he only published his data in a school newspaper could introduce bias into the results. Publishing the data in a wider range of platforms, such as online surveys or national newspapers, would have provided a more diverse and representative sample of the population.

Option B is also a valid reason. The sample size of five is too small to accurately represent a larger population. With only five participants, the survey results may not reflect the opinions and preferences of the entire population. A larger sample size is generally more reliable and provides more accurate results.

Option C can be considered as well. If the survey questions were not well-designed or if they were leading or biased, the results may not accurately capture the opinions of the participants. A poorly designed survey can produce unreliable data and undermine the validity of the results.

Therefore, both options A and B are valid reasons why Ira's results may not be considered valid.