Exam 1: Data and Statistics

Which of the following is not a scale of measurement?

​Which of the following is not an example of descriptive statistics?

Quantitative data

Arithmetic operations provide meaningful results for variables that

Statistical studies in which researchers control variables of interest are _____ studies.

Data collected over several time periods are _____ data.

Ordinary arithmetic operations are meaningful

The largest experimental statistical study ever conducted is believed to be for​

Which scale of measurement can be either numeric or non-numeric?

Which of the following scales of measurement are appropriate for quantitative data?

In a sample of 1,600 registered voters, 912 or 57% approve of the way the President is doing his job.A political pollster estimates: "Fifty-seven percent of all voters approve of the President." This statement is an example of

The number observations in a complete data set having 15 elements and 5 variables is

The scale of measurement used for variable data that is simply a label for the purpose of identifying the attribute of an element is the _____ scale.

The Department of Transportation of a city has calculated that on the average there are 17 accidents per day.The average number of accidents is an example of

In a questionnaire, respondents are asked to mark their gender as male or female.The scale of measurement for gender is _____ scale.

In a sample of 800 students in a university, 240 or 30% are Business majors.The 30% is an example of

Census refers to a(n)

In a sample of 400 students in a university, 80 or 20% are Business majors.Based on the above information, the school's paper reported that "20% of all the students at the university are Business majors." This report is an example of

Statistical inference

Data collected at the same, or approximately the same point in time are _____ data.