FB 14 - Statistical Analysis

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What is Statistical Analysis?

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Statistical Analysis is the process of collecting, analyzing, interpreting, presenting, and organizing data to discover useful information and support decision-making.

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What is a Bar Graph?

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A Bar Graph is a visual representation of data using bars of different heights or lengths to compare quantities across categories.

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How do you find the Median of a data set?

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To find the Median, arrange the data in ascending order and identify the middle value. If there is an even number of values, the median is the average of the two middle numbers.

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What is the purpose of a Box and Whisker Plot?

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A Box and Whisker Plot is used to display the distribution of a data set, showing the median, quartiles, and potential outliers.

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What does the Maximum value represent in a data set?

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The Maximum value is the largest number in a data set.

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What is the difference between a Bar Graph and a Histogram?

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A Bar Graph displays categorical data with rectangular bars, while a Histogram represents the frequency distribution of numerical data using adjacent bars.

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How do you calculate the range of a data set?

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The range is calculated by subtracting the minimum value from the maximum value in the data set.

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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 data set.

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What is the Interquartile Range (IQR)?

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The Interquartile Range (IQR) is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set, representing the middle 50% of the data.

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What is a Histogram used for?

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A Histogram is used to represent the frequency distribution of numerical data, showing how many data points fall within specified ranges (bins).