Advertisements
Advertisements
प्रश्न
Define the level of significance
Advertisements
उत्तर
The probability of type 1 error is known as level. of significance and it is denoted by the level of significance is usually employed in testing of hypothesis are 5% and 1%.
The level of significance is always fixed in advanced before collecting the sample information.
APPEARS IN
संबंधित प्रश्न
What is null hypothesis? Give an example
Define critical region
Define critical value
What is a type I error?
A sample of 100 items, draw from a universe with mean value 4 and S.D 3, has a mean value 63.5. Is the difference in the mean significant at 0.05 level of significance?
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:
Type I error is
Choose the correct alternative:
Type II error is
Choose the correct alternative:
The standard error of sample mean is
Explain the procedures of testing of hypothesis
