The table below lists the median heights (in cm) of girls from ages 2 to 10. Find an equation for the line of best fit. Median Height (cm) Age (years) 84.98 93.92 100.75 107.66 114.71 121.49 8 127.59 132.92 10 137.99 O y = 7.1x + 82.1 O y = 73.9r + 6.6 O y = 6.6x + 73.9 O y = 9.3x + 84.9 234 567

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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.