3 Questions
Which significance level is being used in the test?
5%
What is the average duration of life for the 9 randomly selected batteries?
55 months
What is the standard deviation of the 9 randomly selected batteries' life durations?
10 months
Test your knowledge on critical values by determining the correct critical value (C) for a hypothesis test. This quiz focuses on a scenario where the average lifetime of Al brand car batteries is being tested, with given sample statistics and a specified significance level. Can you identify the correct critical value from the options provided?
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