Exam 1: Data and Statistics

The Microsoft Office package used to perform statistical analysis is _____.

In an application for a credit card, potential customers are asked for their social security numbers. A social security number is an example of a _____.

Categorical data use either the ______ or ______ scale of measurement.

_____ analytics is the set of analytical techniques that yield a course of action.

A sample of five Fortune 500 companies showed the following revenues ($ millions): 7505.0, 2904.7, 7208.4, 6819.0, and 19500.0. Based on this information, which of the following statements is correct?

The set of measurements collected for an element is called a(n) _____.

The number of observations in a complete data set having 10 elements and 5 variables is _____.

Which of the following is NOT a scale of measurement?

Six hundred residents of a city are polled to obtain information on voting intentions in an upcoming city election. The 600 residents in this study is an example of a(n) _____.

The collection of all elements of interest in a study is _____.

Statistical studies in which researchers do not control variables of interest are _____.

Which two scales of measurement can be either numeric or nonnumeric?

When the data have the properties of ordinal data and the interval between observations is expressed in terms of a fixed unit of measure, the variable has which scale of measurement?

In a questionnaire, respondents are asked to mark their gender as Male, Female, Transgender MtoF, Transgender FtoM, Non-binary, or Intersex. Gender is an example of a(n) _____ variable.

The owner of a factory regularly requests a graphical summary of all employees' salaries. The graphical summary of salaries is an example of _____.

The summaries of data, which may be tabular, graphical, or numerical, are referred to as _____.

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

Flight time from Cincinnati to Atlanta is an example of a _____ variable and _____ measurement.

_____ analytics consists of analytical techniques that use models constructed from past data to predict the future or to assess the impact of one variable on another.

Arithmetic operations are inappropriate for _____.