Find the reciprocal of 7.

A) -7
B) $-\frac{1}{7}$
C) 7
D) 0
E) $\frac{1}{7}$

A college professor was interested in comparing the average starting salaries of Engineering and English majors. Which type of statistical analysis should she use to analyze this data?

A) t-test for dependent means
B) t-test for one mean
C) t-test for independent means
D) z-test for one mean

We are interested in testing whether the variance of a population is significantly more than 625.The null hypothesis for this test is

A) H₀: σ² > 625.
B) H₀: σ² ≤ 625.
C) H₀: σ² ≥ 625.
D) H₀: σ² ≤ 25.

There is no relationship between alpha and the likelihood of rejecting the null hypothesis.

Solve $6y-2=6y$ , if possible.

A) y=-25
B) y=0
C) y=10
D) y=-16
E) no solution

If the exchange rate for the Australian dollar is 1.10681 per U.S. dollar, compute the value in U.S. dollars of 5,000 Australian dollars.​