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Exam 1: What Is Statistics

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Question 41

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Another name for inferential statistics is______ statistics.

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Question 42

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Among the many classes held at your college or university, your statistics class has been selected for a study. This one class is referred to as a_______ .

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Question 43

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Which of the following is an example of continuous data?

The general process of organizing, summarizing and presenting data in an informative way is called

The Nielsen Ratings break down the number of people watching a particular television show by age. Age is what level of measurement?

A survey reports consumers' preferred hair colour. What type of data is this called?

A survey reports consumers' preferred brands of dish soap. What type of data is this called?

A student was studying the political party preferences of a university's student population. The survey instrument asked students to identify themselves as a Conservative or NDP. This question is flawed because:

The branch of statistics from which we draw conclusions from sample data is called_________ statistics.

The lowest level of measurement that has some sort of ranking is________ .

(i) The general process of gathering, organizing, presenting, analyzing, and interpreting data to assist in making more effective decisions is called (ii) The general process of analyzing, and interpreting data to assist in making more effective decisions is called (iii) The entire set of individuals or objects of interest or the measurements obtained from all individuals or objects of interest is called

The main purpose of descriptive statistics is to:

A company was studying the demographics of their customers. As part of the study they collected the following variables: gender, marital status, credit rating (low, medium, high) , annual income, and age. Which two variables are considered to be continuous rather than discrete?

A market researcher is interested in determining the average income for families in York Region, Ontario. To accomplish this, he takes a random sample of 200 families from the region and uses the data gathered to estimate the average income for families of the entire region. This process is an example of _______.

If Gallup, Harris and other pollsters asked people to indicate their political party affiliation-Liberal, Conservative or NDP, the data gathered would be an example of which scale of measurement?

Respondents were asked, "Do you now earn more than or less than you did five years ago?" What is this level of measurement?

A company was studying the demographics of their customers. As part of the study they collected the following variables: gender, marital status, credit rating (low, medium, high) , annual income, and age. Label the variable marital status as qualitative or quantitative, discrete or continuous, and nominal, ordinal, interval, or ratio.

Your height and weight are examples of which type of random variable?