Exam 2: Data Collection

Ordinal data can be treated as if it were nominal data but not vice versa.

The weight of a bag of dog food is an example of discrete data.

Which method is likely to be used by a journalism student who is casually surveying opinions of students about the university's cafeteria food for an article that she is writing?

The number of checks processed at a bank in a day is an example of categorical data.

A section of the population we have targeted for analysis is:

Your rating of the food served at a local restaurant using a three-point scale of 0 = gross,1 = decent,2 = yummy is ___________ data.

Your weight recorded at your annual physical would not be ratio data because you cannot have zero weight.

Which of the following is false?

A Likert scale:

Ordinal data are data that can be ranked based on some natural characteristic of the items.

Categorical data have values that are described by words rather than numbers.

Categorical data are also referred to as nominal or qualitative data.

Which variable is least likely to be regarded as ratio data?

An advantage of convenience samples over random samples is that:

If we choose 500 random numbers using Excel's function =RANDBETWEEN(1,99),we would most likely find that:

Which of the following is true?

Likert scales are especially important in opinion polls and marketing surveys.

How would you design a study to see whether drivers using hands-free cell phones are distracted enough to slow their reactions to emergency situations? How would you collect data?

Professor Hardtack chose a sample of 7 students from his statistics class of 35 students by picking every student who was wearing red that day.Which kind of sample is this?

Internet surveys posted on popular websites have no bias since anyone can reply.