1.Which one of the following statements is false?

(a) A statistic is a numerical characteristic of a sample, and a parameter is a numerical characteristic of a population.

(b) The value of a statistic would vary in repeated sampling.

(c) In most practical situations, the sampling distribution of a parameter will be approximately

normal for large sample sizes.

(d) ^p is a statistic, and the standard deviation of its sampling distribution depends on the parameter p.

(e) None of the above.

2.Suppose we carry out a hypothesis test and find a p-value of .06. The evidence against H0 is:

(a) Significant at the 1% significance level.

(b) Not significant at the 1% level, but significant at the 5% level.

(c) Not significant at the 5% level, but significant at the 10% level.

(d) Not significant at the 10% level.

3.

A researcher uses a statistical computing package to carry out the calculations for a onesample t test, and obtains the following output. t = XXXX, df = 38, pvalne = 0.12 alternative hypothesis: true mean is not equal to ID The t statistic has been blocked out, but I can tell you that the sample mean is equal to 3.2. The statistical computing package assumed a two-sided alternative hypothesis when calculating the pvalue, but the researcher believes a onesided alternative is more appropriate. What is the pvalue of the onesided alternative H a: p 11> 10? (a) .06 (b) .12 (c) .24 (d) .88 (e) .94