Answered step by step
Verified Expert Solution
Question
1 Approved Answer
35 people are randomly selected and the accuracy of their wristwatches is checked, with positive errors representing watches that are ahead of the correct
35 people are randomly selected and the accuracy of their wristwatches is checked, with positive errors representing watches that are ahead of the correct time and negative errors representing watches that are behind the correct time. The 35 values have a mean of 114sec and a standard deviation of 167sec. Use a 0.02 significance level to test the claim that the population of all watches has a mean of Osec. The test statistic is The P-Value is The final conclustion is A. There is sufficient evidence to warrant rejection of the claim that the mean is equal to 0 B. There is not sufficient evidence to warrant rejection of the claim that the mean is equal to 0
Step by Step Solution
There are 3 Steps involved in it
Step: 1
A hypothesis testing question We have a sample of 35 watches with a mean error of 114 seconds and a ...Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started