Exam 16: Frequency Distribution, Hypothesis Testing, and Cross-Tabulation

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In a frequency distribution, two variables are considered at a time.

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False

A frequency distribution for a variable produces ________.

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The most common measures of variability are the range and variance.

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A statistical technique that describes two or more variables simultaneously and results in tables that reflect the joint distribution of two or more variables that have a limited number of categories or distinct values is called ________.

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The null hypothesis is always the hypothesis that is tested, but can never be accepted based on a single test.

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A mathematical distribution whose objective is to obtain a count of the number of responses associated with different values of one variable as to express these counts in percentage terms is called frequency distribution.

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If the distribution is asymmetric, which measure of location is most appropriate if the data is in a nominal scale? If it is in an ordinal scale? If it is in an interval or ratio scale?

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The median should be used if the distribution is asymmetric and the variable is measured on an ordinal scale.

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Data collected in social media often lend themselves to basic analysis involving frequencies, percentages and cross-tabulations.

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The mean squared deviation of all the values from the mean is called the variance.

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The mean is that value obtained by summing all elements in a set and dividing by the number of elements.

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Discuss the relationship between cross-tabulation and frequency distribution.

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The null hypothesis refers to a specified value of the population parameter, not a sample statistic.

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According to the text, the range measures the spread of the data.

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In a short essay, discuss which measure of location should be used if the distribution is asymmetric.

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Many marketing research projects do not go beyond basic data analysis.

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When the frequency in any cell of a contingency table is low, it is ________.

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According to the text, accepting the ________ will lead to changes in opinions or actions.

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Which of the following is NOT a statistic that is associated with the measures of location of frequency distribution?

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The mean, mode, and median are associated with the measures of location of frequency distribution.

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