Multiple Choice
When determining the sample size,the standard deviation may not be known.Which of the following was not mentioned in your text as a way to estimate the standard deviation?
A) estimate from the mean
B) conduct a pilot study
C) estimate based on researcher judgment
D) consult secondary sources
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Trend analysis is an attempt to discern
Q5: Discuss four of the methods of reducing
Q11: The z value for a point is
Q25: The rate of occurrence of persons eligible
Q26: The equation for a 95% confidence
Q27: Which method of improving response rate involves
Q28: Discuss why there may be ethical concerns
Q34: The sampling distribution of the mean is
Q50: When conducting marketing research in foreign countries,statistical
Q68: Prior notification increases response rates for samples