Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the formula used to calculate the sample size of a class size?
What is the formula used to calculate the sample size of a class size?
- n = N / (1 + (e^2) / N) (correct)
- n = N * (1 - (e^2) / N)
- n = N / (1 + N(e^2))
- n = N - (e^2) / N
What is the value of 'e' in the sample size formula if the desired margin of error is 5% and the confidence level is 95%?
What is the value of 'e' in the sample size formula if the desired margin of error is 5% and the confidence level is 95%?
- 0.5
- 1.96
- 0.025 (correct)
- 0.05
If the class size is 96, what is the approximate sample size at a 95% confidence level and a 5% margin of error?
If the class size is 96, what is the approximate sample size at a 95% confidence level and a 5% margin of error?
- 85
- 67
- 76
- 81 (correct)
What is the purpose of calculating the sample size?
What is the purpose of calculating the sample size?
Signup and view all the answers
What assumption is made when calculating the sample size?
What assumption is made when calculating the sample size?
Signup and view all the answers
