Exam 14: Quantitative Data Analysis

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The process of comparing your assistants' coding with each others' and with your own coding of the responses of sample responses helps to improve

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The College of Arts and Science at Delta University has nine departments.The number of faculty in each department is shown below.What is the median number of faculty in departments in the College of Arts and Science? 8,12,9,15,17,11,13,14,7

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If a case has missing data because respondents failed to answer questions,it is a good idea not to use that case in your analysis.

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A correlation coefficient is an example of bivariate analysis.

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The mean is always the most descriptive measure of central tendency that can be presented.

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A description of the number of times that the various attributes of a variable are observed is called a

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The "don't know" category should always be excluded from analysis.

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Teachers at Central High School earn a mean salary of $45,000,with a standard deviation of $2,500.Those at Midlands High School earn an average of $30,000,but a standard deviation of $7,000.Which of these two have the largest variation in salary?

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Peter is a demographer and wants to know the family size that splits his survey respondents in half,with half having family sizes below that value and half having family sizes above that value.It would be best for him to use the

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Within a normal distribution,68 percent of cases are within how many standard deviations of the mean?

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Iona completed her study of volunteer workers at the zoo.She has completed the coding process and now wants to examine the results to get a feel for the data and to see if any cases have values that she did not code for.It would be best for Iona to use

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The table below shows the frequency distribution of self-report ratings of sexual attitudes for 244 persons. Table X: Frequency distribution of item "Rating your sexual attitudes",N=244. The table below shows the frequency distribution of self-report ratings of sexual attitudes for 244 persons. Table X: Frequency distribution of item Rating your sexual attitudes,N=244.     a. Calculate the valid percentages for the 5 response options. b. Calculate the cumulative percentages for the 5 response options. c. Identify the mode and median. d. Interpret the results of the table. a. Calculate the valid percentages for the 5 response options. b. Calculate the cumulative percentages for the 5 response options. c. Identify the mode and median. d. Interpret the results of the table.

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As a measure of dispersion,a _________ is a measure that specifies how far 68%,95%,and 99.9% of a sample is around a mean value.

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The basic rule for setting up and interpreting tables is to

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To determine how drastic the variation in civil service exam scores were for a state,what would most likely be used?

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Priscilla is a home builder and wants to know the family size that occurs the most often in her survey of prospective customers.It would be best for her to use the

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Which of the following measures of central tendency can be used at any level of measurement?

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A univariate analysis examines the distribution of cases on one or more variables.

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Given the following age distribution of 12,15,8,17,34,43,2,16,43,3 The age range is between

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If the table is percentaged down,you will need to read results across the table.

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