Exam 1: Data and Statistics

A student's dormitory room number is an example of

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

Census refers to a(n)

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

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

The sample size

For ease of data entry into a university database, 1 denotes that the student is a freshman, 2 indicates a sophomore, 3 indicates a junior, and 4 indicates that the student is a senior. In this case, data are

Height is an example of a variable that uses the _____ scale.

Statistical inference

The average age in a sample of 190 students at City College is 22. As a result of this sample, it can be concluded that the average age of all the students at City College

In a data set, the number of elements will always be the same as the number of

Analytics is generally thought to comprise three broad categories of techniques that include all of the following except _____ analytics.

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

The number of observations will always be the same as the

On a street, the houses are numbered from 300 to 450. The house numbers are examples of _____ data.

Which of the following is not a scale of measurement?

​Facts and figures that are collected, analyzed and summarized for presentation and interpretation are

Which of the following variables use the ratio scale of measurement?

A characteristic of interest for the elements is called a

Ordinary arithmetic operations are meaningful