Exam 1: Healthy Change

One of the major reasons to use statistics is to transform data into information.

Data that describe a characteristic about a sample is known as a ------.

Using income data to determine the credit worthiness of a consumer who wishes to purchase a new car is an example of using statistics in the field of ------- .

The purpose of inferential statistics is to summarize or display data.

A limitation of descriptive statistics is that, by summarizing large quantities of data, you lose information.

Your cell phone number is an example of quantitative data.

Nominal data has all the features of interval data with the added benefit of having a true zero point.

A property of------- data is that the differences between categories are not meaningful and, therefore, cannot be measured.

Statistics can be misused by making differences seem greater or lesser by adjusting the scale on graphs.

General Mills is considering offering a new type of yogurt. To gauge interest, they are performing taste tests at different locations around the country. Based on the results of these samples, they will decide whether or not to market the new yogurt. This is an example of using ------.

A respondent of a survey indicates that he owns the home that he currently resides. This is an example of ------- data.

A ---------- sample does not represent the intended population and can lead to distorted findings.

A respondent to a survey indicates that he has lived in his current residence for three years. This is an example of qualitative data.

-------data are values that correspond to specific measurements taken over a range of time periods.

Predicting election results by asking voters their intentions is an example of descriptive statistics.

Statistics is the mathematical science that deals with the collection, analysis, and presentation of data-data that can then be used as a basis for inference and induction.

Which levels of measurement are considered quantitative data?

A manager of an electronics store would like to investigate the impact that price has on the demand for laptop computers. Each week, the price of a Dell laptop is adjusted and the demand for each week is recorded. This is an example of an experiment being used to collect data.

An employee records the number of customers that arrive at a retail store today. This is an example of collecting information.

A telemarketer calls individuals at home over the phone and asks them the likelihood that they will purchase a timeshare property over the next 12 months. This method of gathering data is known as ---------- .