Question
A random sample of 48 sets of tires were tested and had an average life of 149942 miles, with a standard deviation of 71.4 miles.
A random sample of 48 sets of tires were tested and had an average life of 149942 miles, with a standard deviation of 71.4 miles.
Find the test statistic (2 decimal places):
Give the P-value (4 decimal places, if less than 0.001 answer 0):
Which is the correct result:
- Reject the Null Hypothesis
- Do not Reject the Null Hypothesis
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
