1- A student is testing the null hypothesis that a variable x has a mean greater than or equal to a hypothesized value x*.Suppose the student got a p-value=2.2 x 10-4 on the appropriate test statistic.Which of the following statements is true?

Group of answer choices

1- It can be concluded that the average value of x is significantly greater than x* at level 1%;

2- It can be concluded that the average value of x is significantly greater than x* at level 10%;

3- It can be concluded that the average value of x is significantly greater than x* at levels 5%;

4- It can be concluded that the average value of x is significantly smaller than x* at levels 1%, 5%, and 10%.

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2- A student is testing whether a variable x has an effect on a variable y in a regression analysis.Suppose the student got a p-value=0.0189 on the appropriate test statistic.Which of the following statements is true?

Group of answer choices

1- the variable x has NO significant effect on y at level 5%;

2- the variable x has NO significant effect on y at level 10%;

3- the variable x has a significant effect on y at levels 5% and 10%;

4- It cannot be determined whether or not the variable x has a significant effect on y at levels 5% and 10% based on the given p-value.