Descriptive Statistics Flashcard

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What is descriptive statistics?

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Descriptive statistics is a branch of statistics that summarizes and describes the features of a dataset, providing simple summaries about the sample and the measures.

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What is the mode in a dataset?

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The mode is the value that appears most frequently in a dataset.

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What is qualitative data?

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Qualitative data refers to non-numerical information that describes characteristics or qualities, such as feelings, opinions, and attributes.

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What is quantitative data?

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Quantitative data refers to numerical information that can be measured and counted, such as height, weight, and test scores.

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How do you calculate the mean of a dataset?

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To calculate the mean, sum all the values in the dataset and then divide by the number of values.

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What is a frequency distribution?

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A frequency distribution is a summary of how often each value occurs in a dataset.

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What is a histogram?

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A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges.

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What is the range of a dataset?

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The range is the difference between the highest and lowest values in a dataset.

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What is a box plot?

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A box plot is a standardized way of displaying the distribution of data based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.

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What is a sample in statistics?

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A sample is a subset of a population used to represent the entire group in statistical analysis.