Exam 1: The Nature of Probability and Statistics

What level of measurement possesses all the characteristics of interval measurement, and there exists a

The dry weights(g) were calculated for samples of Zebra mussels obtained at several locations and at several depths in Lake Simcoe. The type of study used was ___________ (observational, quasi- experimental, experimental). ________________________________________

The variable of height is an example of a quantitative variable.

An advertisement for a pick-up truck states that it is 30% more powerful than its competitor. This is an example of

If a variable has possible values -3, 4, and 14, then this variable is

A ______________ variable assumes values that can be counted. ________________________________________

What is the term for a characteristic or attribute that can assume different values?

Macrophytes were sampled at each of 3 depths in a particular region of Lake Opinicon. The macrophages obtained at each depth were classified as to their genus and their dry weights were also determined. The variable macrophage genus would be classified as a ___________ variable. ________________________________________

If a researcher manipulates one of the variables and tries to determine how the manipulation influences other variables, the researcher is conducting a(n)

Explain the difference between qualitative, quantitative, discrete, and continuous variables.

Rating a restaurant by a number of stars is an example of an ordinal level of measurement.

An ad for an exercise product states: "Using this product will burn 74% more calories." This is an example of

Inferential statistics is based on probability theory.

Which branch of statistics would employ probability to predict how many miles one would be able to drive a 2000 Toyota Celica during its lifetime?