Exam 13: Reviewing Statistical Theory and Determining Sample Size

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Find the median of the following scores: 1,2,3,4,5,5,7

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B

In statistical terms,______ the sample size ______ the width of the confidence interval about the mean at a given confidence level.

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A

The _____ distribution is bell shaped.

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normal

A set of data organized by summarizing the number of times a particular value of a variable occurs is referred to as a(n)_____.

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Which of the following refers to the proportion of respondents who choose the most positive choice in a multiple choice question?

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The formula below is the formula for the ______ . The formula below is the formula for the ______ .

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If 206 people in a sample of 560 people say that they "liked a product" that they purchased during a test market study in Cincinnati,the proportion of people in this study who said that they liked this product was about _____.

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A confidence range is a specified range of numbers within which a population mean is expected to lie.

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The standard deviation of the sampling distribution is called the ______ of the mean.

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Find the mean score of the following set of scores: 2,5,7,4,8 .

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Percentage frequency is the long-run relative frequency with which an event will occur.

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The normal distribution is represented by the normal curve.

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Compare and contrast describe statistics and inferential statistics.Which one is most appropriate for causal research?

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The primary purpose of inferential statistics is to make a judgment about a population.

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A frequency distribution of the population elements is called a _____.

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Three factors in determining sample size for questions involving means are: (1)the variance,or heterogeneity,of the population; (2)the magnitude of acceptable error; and (3)the _____.

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The percentage of elements that meet some criterion is referred to as the _____.

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If the average units produced in a month by a Ford Motor Co.plant for Ford Explorers is 22,but only 18 Explorers are produced on a given day in that same month,the deviation score for this one day is _____.

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The _____ distribution is a symmetrical,bell-shaped distribution that describes the expected probability distribution of many chance occurrences.

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If the price of a product ranges from $59 to $179,the range of these prices is _____

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