Exam 17: Analysis and Interpretation: Individual Variables Independently

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Even if it will help managers interpret results,you should not convert continuous measures to categorical measures.

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The hypothesis that a proposed result is not true for the population is called the alternative hypothesis.

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The confidence interval only takes sampling error into account.

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Because both nominal and ordinal measures are easily used to group respondents or objects into groups or categories,researchers often refer to these types of measures as categorical measures.

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The population mean is hypothesized to be 200.The sample mean (x-bar)is 220.The sample size (n)is 25.The sample standard deviation (s)is 15.The median split for this sample is

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A sampling procedure is statistically more efficient than another procedure if,for a given sample size,it results in a larger sampling error.

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Which of the following would be an appropriate interpretation of a p-value?

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The population mean is hypothesized to be 200.The sample mean (x-bar)is 220.The sample size (n)is 25.The sample standard deviation (s)is 15.The degrees of freedom would equal

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For which of the following types of measures does the mean NOT provide a meaningful value?

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A bar chart where the values of a variable are placed along the X-axis and the absolute or relative frequency along the Y-axis is called a ____ and can be developed from the ____.

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Which of the following would NOT be an example of a situation involving univariate analysis?

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The population mean is hypothesized to be 200.The sample mean (x-bar)is 220.The sample size (n)is 25.The sample standard deviation (s)is 15.The estimated value of the standard error of the mean is

(Multiple Choice)
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Which of the following statements concerning the sample standard deviation is FALSE?

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A major car manufacturer was interested in whether its midsize car was selling consistently in two markets with respect to the annual income of the car purchasers.Five-hundred new car buyers in Chicago and Miami were surveyed.In Chicago,the following pattern was observed: < $20,000 5%;$20,000-$29,999 0%;$30,000-$39,999 40%;$40,000-$49,999 30%;≥ $50,000 5%.Among those surveyed in Miami,20 earned under $20,000;70 earned between $20,000 and $30,000;265 earned between $30,000 and $40,000;125 earned between $40,000 and $50,000;and 20 earned more than $50,000.Using the data provided,the calculated value of |2 =

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A histogram is a bar chart that is based on information from a frequency count.

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When a sample mean is compared against a standard for a large sample,which statistic is calculated?

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A sampling interval is a projection of the range within which a population parameter will lie at a given level of confidence based on a statistic obtained from an appropriately drawn sample.

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An observation so different in magnitude from the rest of the observations that the analyst chooses to treat it as a special case is called an outlier.

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The median is the most commonly calculated statistic for both interval- and ratio-level measures.

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It is possible to produce frequencies for

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