When the null hypothesis is ______, this typically means the research hypothesis is ______.

A) not rejected; supported
B) rejected; supported
C) rejected; not supported
D) rejected; proven

Which of the following is a reason the phrase "highly significant" is improper to use?

A) The level of significance is a direct function of sample size.
B) Statistical significance is a dichotomy.
C) p < .01 is not necessarily 'better' than a finding at the p < .05 level.
D) all of these

An advantage of a volunteer sample is they're more likely to assist with an issue or engage in activism.

The following mixed number has a terminating decimal equivalent form. Express its decimal and percent equivalent forms to five-figure accuracy: $2\frac{2}{100}$

Solve the following pair of equations. Verify your solution. 37x - 63y = 235 18x + 26y = 468

If a researcher chooses the 99% confidence interval instead of the 95% confidence interval, how does it affect the critical value of t?

A) Critical value of t is lower.
B) Critical value of t is higher.
C) Critical value of t is unchanged.
D) Critical value of t is not dependent on the confidence interval chosen.