Multiple Choice
Mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The average tread wear was found to be 50,000 miles with a standard deviation of 3,500 miles. What is the best estimate of the average tread life in miles for the entire population of these tires?
A) 50,000
B) 3,500
C) (50,000/100)
D) (3,500/100)
Correct Answer:

Verified
Correct Answer:
Verified
Q8: Suppose we select every fifth invoice in
Q25: When doing research,knowing the population mean and
Q90: A group of statistics students decided to
Q92: The size of the sampling error is<br>A)
Q93: The Intelligence Quotient (IQ) test scores are
Q94: A group of statistics students decided to
Q96: A population consists of the following five
Q97: An accounting firm is planning for the
Q98: When deciding to take a sample from
Q99: The Intelligence Quotient (IQ) test scores are