1) You are reading an article in your field that reports several statistical ana

Question

1) You are reading an article in your field that reports several statistical analyses. The article says that the P-value for a significance test is 0.045. Is this result significant at the 5% significance level?

2) Is the result with P-value 0.045 significant at the 1% significance level?

3) For another significance test, the article says only that the result was significant at the 1% level. Are such results always, sometimes, or never significant at the 5% level?

4) You read an article that contains a 95% confidence interval. Would the margin of error in a 99% confidence interval computed from the same data be less, the same, or greater?

Explanation / Answer

1) as p value is less then 0.05 level ; this result is significant at the 5% significance level

2) No as p vlaue is greater then 0.01

3)it will always be significant as if p value is lower then 0.01 then it must always lower then 0.05.

4)greater,as interval increase to provide higher probabilty,

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