Multiple Choice
All statistical tests,such as calculation of the mean and standard error of the sampling distribution can be calculated and are valid under the following condition(s) :
A) the population is normal and the sample is any size
B) the population has an unknown distribution and the sample size is at least 30
C) both a and b
D) either a or b
Correct Answer:
Verified
Correct Answer:
Verified
Q3: Suppose a researcher is conducting a bivariate
Q4: All of the following statements about convenience
Q5: A _ is,loosely speaking,what researchers wish to
Q6: Statistical theory,specifically the central limit theorem,tells us
Q7: Although stratified sampling can be less costly
Q9: All of the following methods of sampling
Q10: Explain the two primary ways a researcher
Q11: Although sampling errors tend to decrease with
Q12: As the sample size increases,the confidence interval
Q13: All of the following statements are true