Which of the following is NOT needed to determine the minimum sample size required to estimate a population proportion?
standard deviationσ
When analyzing polls, which of the following is NOT a consideration?
The sample should be a voluntary response or convenience sample.
Which of the following is NOT a requirement for constructing a confidence interval for estimating the population proportion?
trials are done without replacement
Which of the following is NOT an observation about critical values?
A critical value is the area in the right-tail region of the standard normal curve.
Which of the following is NOT true of the confidence level of a confidence interval?
There is a 1 - α chance, where α is the complement of the confidence level, that the true value of p will fall in the confidence interval produced from our sample.
A _______ is a single value used to approximate a population parameter.
point estimate
Which of the following groups has terms that can be used interchangeably with the others?
Percentage, probability, and proportion
Which concept below is NOT a main idea of estimating a population proportion?
Using a sample statistic to estimate the population proportion is not utilizing descriptive statistics
A critical value, zα, denotes the
z-score with an area of α to its right.