Elementary Statistics ( 3rd International Edition ) Isbn:9781260092561

3rd Edition

ISBN: 9781259969454

Author: William Navidi Prof.; Barry Monk Professor

Publisher: McGraw-Hill Education

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

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Textbook Question

Chapter 1.2, Problem 11E

In Exercises 11â€”14, determine whether the statement is true or false. If the statement is false, rewrite it as a true statement.

Qualitative variables describe how much or how many of something there is.

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Chapter 1.2, Problem 10E

Chapter 1.2, Problem 12E

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Write TRUE if the statement is correct and FALSE if not. Qualitative data are data that can be measure and count. If you want to know the population of the country, you may conduct census. In mailed questionnaire you are going to send questionnaire to the postal place of the respondence. Data that can be measure and count are called qualitative data. Gathering of data are needed in statistics. Secondary data are the data you collected from the people you interview. Questionnaires are direct method of gathering data. Height, weight, and age are examples of qualitative data. Observing thing in your surrounding is another way to gather data. Dependent and Independent data show cause and effect relationship.

Determine whether the data described below is a quantitative of qualitative variable and explain why. The height of subjects in an experiment when testing a chemical. The data are qualitative because they consist of counts or measurements. The data are quantitative because they don't count nor measure anything. The data are qualitative because they don't count nor measure anything. The data are quantitative because they consist of counts or measurements.

Chapter 1 Solutions

Elementary Statistics ( 3rd International Edition ) Isbn:9781260092561

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In Exercises 11â€”14, determine whether the statement is true or false. If the statement is false, rewrite it as a true statement. Qualitative variables describe how much or how many of something there is.

Solution Summary: The author explains that the Qualitative variable, sometimes referred to as categorical variables, defines the type of characteristics used to collect information on individuals.

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