A large software company gives job applicants a test of prog…
A large software company gives job applicants a test of programming ability and the mean for that test has been 160 in the past. Twenty-five applicants are randomly selected from a university and they produce a mean score of 183 with a standard deviation of 12. Use the P-value method to test the claim that this sample comes from a population with a mean score greater than 160. Assume the population is normally distributed. Claim: opposite: Null: Alternative: Test statistic: P-value: Decision: Conclusion:
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