With reference to Problem 10.34, suppose it is considered an important difference from the hypoth

With reference to Problem 10.34, suppose it is considered an important difference from the hypoth

With reference to Problem 10.34, suppose it is considered an important difference from the hypothesized value of the mean if the average typing speed is at least 64:0 wpm. Determine the probability of (a) Type I error and (b) Type II error.

Problem 10.34

A random sample of 30 employees at the Secretary II level in a large organization take a standardized word processing test. The sample results are X = 63:0wpm (words per minute) with σ = 5:0 wpm. Test the null hypothesis that the word-processing operators in general do not exceed a keyboarding speed of 60 wpm, using the 1 percent level of significance.

 

 

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