Mix is conducting a study of the Black Water Monitor (BWM) Lizard of Thailand.

Which of the following would be the Population of the study?

• All BWM lizards in Bangkok

• A group of 50 BWM lizards

• All BWM lizards in Thailand

• All lizards in Southeast Asia

Which could be a Sample of the study?

• All the BWM lizards in Thailand

• The average weight of 50 BWM lizards found

• The diet of 50 BWM lizards found

• A group of 50 BWM lizards found in Thailand

A sample of BWM lizards is found to have an average length of 1.3 meters. This number is an example of a

• Statistic

• Parameter

• variable

• bias

The true value for the average lifespan of BWM lizards would be a

• Categorical Variable

• Numerical Variable

• Statistic

• Parameter

Which of the following could be a variable of this study?

• Location found

• Any of these could be variables

• Length in meters

• Aggressiveness on a numeric scale

Which may be a categorical variable?

• Age in years

• Length in meters

• Weight in kg

• Type of habitat

Which may be a numerical variable?

• Weight in kg

• Type of habitat

• Level of aggressiveness

• Gender

What could be a central question for this study?

(this is the most important question on this quiz; many answers would be correct)

For the remaining questions choose the most appropriate Level of Measurement

The lizards in the sample are grouped by size as: Large, Medium or Small

• None of the choices is appropriate

• Ratio

• Interval

• Nominal

• Ordinal

The location where the lizards live (nearest town)

• Ratio

• Interval

• Nominal

• None of the answers is appropriate

• Ordinal