You are looking for a confidence interval for the population proportion , p, which distribution do you use?
t distribution
z distribution
Chi Squared
not enough information
2. Multiple Choice
30 seconds
1 pt
You are looking for a confidence interval for the population mean, μ, which distribution do you use?
t distribution
z distribution
Chi Squared
not enough information
3. Multiple Choice
30 seconds
1 pt
You are looking for a confidence interval for the population mean, μ, which distribution do you use if you know sample size is 45 and sample SD?
t distribution
z distribution
Chi Squared
not enough information
4. Multiple Choice
30 seconds
1 pt
You are looking for a confidence interval for the population mean, μ, which distribution do you use if you know sample size is 45 and population SD?
t distribution
z distribution
Chi Squared
not enough information
5. Multiple Choice
30 seconds
1 pt
You are looking for a confidence interval for the population mean, μ, which distribution do you use if you know sample size is 16 and sample SD?
t distribution
z distribution
Chi Squared
not enough information
6. Multiple Choice
30 seconds
1 pt
You are looking for a confidence interval for the population mean, μ, which distribution do you use if you know sample size is 16 and population SD and the data is normally distributed?
t distribution
z distribution
Chi Squared
not enough information
7. Multiple Choice
30 seconds
1 pt
You are looking for a confidence interval for the population mean, μ, which distribution do you use if you know sample size is 29 and sample SD and the data is normally distributed?