6) A survey of 42 out of hundreds in a dining hall showed that 17 enjoyed their meal. Which is true about the above statement? a) It is a statistic because the data set of all people in the dining hall is a population. b) It is a statistic because the data set of 42 people in the dining hall is a sample. d tis a parameter because the data set of 42 people in the dining hall is a population. d) It is a parameter because the data set of all people in the dining hall is a sample.

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Bar Graphs

A bar graph is a chart or graphical representation of data. A bar chart, also known as a bar graph, is a graph or chart that displays categorical data using rectangular bars with heights or lengths equal to the values they represent. Typically, bar graphs show categorical and numerical variables grouped in class intervals. A bar graph is useful for comparing and analyzing a set of data.