A researcher draws a random sample of 100 full-time city employees and, based on their self-reported salaries, calculates an average annual salary of $56,000. According to city records, however, the average annual earnings of all full-time city employees is $51,000. Which of the following conclusions can you draw from these data?
A) The mean of the sampling distribution for samples of 100 is $51,000.
B) The estimated margin of error for all samples of 100 is $5,000.
C) The sample estimate is based on a biased sample of city employees.
D) The sample is too small to provide an accurate estimate of the average earnings of all employees.
Correct Answer:
Verified
Q9: What is the key feature of probability
Q10: What defining feature of a simple random
Q11: Parameter is to _ as statistic is
Q12: Consider the variable cumulative grade-point average (GPA).
Q13: Which of the following describes a sampling
Q15: Knowledge of the sampling distribution of a
Q16: To calculate the margin of error of
Q17: Knowledge of the sampling distribution of a
Q18: The two main reasons for using stratified
Q19: A stratified random sample reduces error when
A)
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents