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प्रश्न
What is a type I error?
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उत्तर
In statistical hypothesis testing, a type f error is the rejection of a true null hypothesis.
Example of type I errors includes a test that shows a patient to have a disease when he does not have the disease, a fire alarm going on indicating a fire when there is no fire or an experiment indicating that medical treatment should cure a disease when in fact it does not.
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संबंधित प्रश्न
Define alternative hypothesis
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The mean breaking strength of cables supplied by a manufacturer is 1,800 with a standard deviation of 100. By a new technique in the manufacturing process it is claimed that the breaking strength of the cables has increased. In order to test this claim a sample of 50 cables is tested. It is found that the mean breaking strength is 1,850. Can you support the claim at 0.01 level of significance?
Choose the correct alternative:
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Choose the correct alternative:
Type II error is
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