Which of the following is true of the equation $\left[n(z \alpha / 2)^{2} \frac{\pi(1-\pi)}{F^{2}}\right.$
for computing the sample size required to achieve a desired confidence interval half-width for a proportion?
A)The sample size calculated will only be an approximation.
B)The standard deviation need not be calculated first in order to compute the sample size.
C)The value for π is always set at 1.
D)The value for π is never a constant.

Question

Which of the following is true of the equation $\left[n>(z \alpha / 2)^{2} \frac{\pi(1-\pi)}{F^{2}}\right.$
 for computing the sample size required to achieve a desired confidence interval half-width for a proportion?
A)The sample size calculated will only be an approximation.
B)The standard deviation need not be calculated first in order to compute the sample size.
C)The value for π is always set at 1.
D)The value for π is never a constant.

Quizplus · Accepted Answer

The Answer of Which of the following is true of the equation $\left[n>(z \alpha / 2)^{2} \frac{\pi(1-\pi)}{F^{2}}\right.$
 for computing the sample size required to achieve a desired confidence interval half-width for a proportion?
A)The sample size calculated will only be an approximation.
B)The standard deviation need not be calculated first in order to compute the sample size.
C)The value for π is always set at 1.
D)The value for π is never a constant.

Which of the Following Is True of the Equation [n>(zα/2)2π(1−π)F2\left[n>(z \alpha / 2)^{2} \frac{\pi(1-\pi)}{F^{2}}\right.[n>(zα/2)2F2π(1−π)​

Which of the Following Is True of the Equation $\left[n>(z \alpha / 2)^{2} \frac{\pi(1-\pi)}{F^{2}}\right.$