The significance level of a statistical inference measures:

A) the proportion of times a conclusion about a population will be correct.
B) the proportion of times a conclusion about a population will be wrong.
C) the proportion of times an estimation procedure will be correct.
D) the proportion of times an estimation procedure will be wrong.

If there is a significant difference between the distributions of scores in two groups with effect size at .37,how big are the differences between the two groups?

A) no difference
B) medium
C) small
D) large

In a 5 × 4 factorial ANOVA design,how many possible group assignments for subjects are there?

A) 5
B) 20
C) 4
D) 9

In Microsoft Excel,the ________ chart is used to show three-dimensional data.

A) stock
B) surface
C) doughnut
D) bubble

The following table gives the total sales (revenue)and profits for 8 retailers. $$\begin{array}{lcc}\text{ Company }& \begin{array}{c}\text{ Total Sales }\\ \text{ (Millions of \$) }\end{array}& \begin{array}{c}\text{ Profits }\\ \text{ (Millions of \$) }\end{array}\\ \text{ Adams }& 45.0& 2.6\\ \text{ Brown }& 15.0& 0.8\\ \text{ Clay }& 57.0& 2.2\\ \text{ Donner }& 9.5& 0.5\\ \text{ Esters }& 22.0& 1.4\\ \text{ Framer }& 35.0& 1.8\\ \text{ Gillies }& 64.0& 3.0\\ \text{ Hays }& 27.5& 0.9\end{array}$$

The p-value is the probability that the null hypothesis is true.

Has the introduction of more music download services changed the number of university students downloading music online without paying for it? Two years ago,approximately 50,000 college students admitted to downloading music online without paying for it.

A) ${\mathrm{H}}_0$ : ? < 50,000 ${\mathrm{H}}_{\mathrm{A}}$ : ? = 50,000
B) ${\mathrm{H}}_0$ : ? = 50,000 ${\mathrm{H}}_{\mathrm{A}}$ : ? > 50,000
C) ${\mathrm{H}}_0$ : ? = 50,000 ${\mathrm{H}}_{\mathrm{A}}$ : ? < 50,000
D) ${\mathrm{H}}_0$ : ? = 50,000 ${\mathrm{H}}_{\mathrm{A}}$ : ? ? 50,000
E) ${\mathrm{H}}_0$ : ? > 50,000 ${\mathrm{H}}_{\mathrm{A}}$ : ? = 50,000

Evaluate the answer correct to the cent:
$\frac{\$500}{(1+0.05{)}^2}$

Warm Winters Linen, Inc. had current liabilities of $500,000; cash of $300,000; accounts receivable of $150,000; and ending inventory of $250,000. Compute the acid test ratio. (Round answer to two decimal places.)

I draw a random sample from the population and calculate the mean of this sample . If I were to do this an infinite number of times, I could create ______.

A) the sampling distribution of the mean
B) the null hypothesis
C) the standard normal distribution (normal curve)
D) the standard deviation