Data Visualizationmedium
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A histogram of test scores (frequency density on y-axis) has bins: [50-60) with density 0.02, [60-70) with density 0.06, [70-80) with density 0.08, [80-90) with density 0.03, [90-100] with density 0.01. If the class has 250 students, approximately how many scored in the [70-80) interval?
A histogram of test scores (frequency density on y-axis) has bins: [50-60) with density 0.02, [60-70) with density 0.06, [70-80) with density 0.08, [80-90) with density 0.03, [90-100] with density 0.01. If the class has 250 students, approximately how many scored in the [70-80) interval?