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statistics

Tell if each variable is continuous or discrete. a. Tonnage carried by an oil tanker at sea. b. Wind velocity at 7 o’clock this morning. c. Number of text messages you received yesterday...

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statistics

Which data type (categorical, numerical) is each of the following and what is its level of measurement (nominal, ordinal, interval, ratio)? a. Your current credit card balance. b. Your...

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statistics

Which data would be most suitable for a pie chart? Why not the others? a. Presidential vote in the last election by party (Democratic, Republican, Other). b. Retail prices of six major...

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statistics

Which statement is false? Explain. a. Sampling error can be reduced by using appropriate data coding. b. Selection bias means that respondents are not typical of the target population...

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statistics

Which statement is correct? Why not the others? a. Likert scales are interval if scale distances are meaningful. b. Cross-sectional data are measured over time. c. A census is always...

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statistics question

Tell if each variable is continuous or discrete.   a. Tonnage carried by an oil tanker at sea. b. Wind velocity at 7 o’clock this morning. c. Number of text...

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statistics question

Driving without a seat belt is not risky. I’ve done it for 25 years without an accident.” This best illustrates which fallacy?   a. Unconscious bias. b. Conclusion...

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level measurement

Fidelity investments would like feedback from its customers about its new stock trading platform. They assign a unique number to every customer mail a survey to every 100th customer in the list. Which...

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level of measurement

A survey asks you to denote your political party affiliation by entering (1) for Republican, (2) for Democrat, (3) for independent, and (4) for not registered voter. Is this a nominal, ordinal, interval,...