Multiple Choice
A company has developed a new power cell and wants to estimate its average lifetime.A random sample of 650 power cells is tested and the average lifetime of this sample is found to be 315 hours.The 315 hours is the value of a:
A) parameter.
B) statistic.
C) sample.
D) population.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Briefly describe the difference between a parameter
Q3: The confidence level is the proportion of
Q4: The confidence level of a statistical inference
Q5: A population is the group of all
Q6: How do confidence levels compare to significance
Q7: Which of the following represents a population,as
Q8: A descriptive measure that is computed from
Q9: A study is under way to determine
Q10: One source of data used in thisChapter
Q11: The Attorney General of the state of