1. The tag and release method was used to estimate the population of wolves in a provincial park. These findings were summarized as "the population is 217 wolves +- 5%, 19 times out of 20." What is the margin of error?

A. 19 out of 20 B. +- 5% about 217 C. the same as the standard deviation D. 217

1. The z-scores for a normal distribution

A. follow a uniform distribution B. follow a normal distribution C. have a mean of 1 and standard deviation of 0 D. b and c

1. An example of a continuous distribution is

A. the number of pepperoni slices on a pizza sold by a pizzeria B. the weights of firefighters at a fire station C. the number of speeders caught in a radar trap each day D. the number of coins in the pocket of each student in a class

1. The chief executive officer (CEO) of a company proposes a new financial structure at the meeting of the company executives. Most of the younger executives vote in favour of the plan. This is an example of:

A. response bias B. sampling bias C. measurement bias D. non-response bias

1. An r-value of -0.3 indicates

A. no linear relation B. a weak negative liner correlation C. a moderate negative linear correlation D. a strong negative linear correlation