The Spearman rank-order correlation measures the relationship between two variables at the nominal level.

The Pearson correlation coefficient (r) assumes the relationship between two variables is ______.

A) linear
B) significant
C) normal
D) skewed

Which of the following is an example of a deterministic arrival?

A) patients arriving at appointed times to a medical facility
B) people visiting the emergency room
C) tweets transmitted during a live event
D) people visiting a supermarket for their monthly groceries

Which of the following is not a required condition for one-way ANOVA?

A) The sample sizes must be equal.
B) The populations must all be normally distributed.
C) The population variances must be equal..
D) The samples for each treatment must be selected randomly and independently.
E) None of these.

If a researcher wants a wider confidence interval, which of the following would be calculated?

A) 99% confidence interval
B) 95% confidence interval
C) 90% confidence interval
D) 85% confidence interval

When the p-value is used for hypothesis testing, the null hypothesis is rejected if

A) p-value α.
B) α < p-value.
C) p-value = 1 - α/2.
D) p-value = 1 - α.

Is it possible for the rate of mark-up on cost to exceed 100%?