What is the difference between a histogram and a bargrapgh?

The Difference Between Bar and Histograms. Here is the main difference between bar charts and histograms. With bar charts, each column represents a group defined by a categorical variable; and with histograms, each column represents a group defined by a continuous, quantitative variable.

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Histograms are used to show distributions of variables while bar charts are used to compare variables. Histograms plot quantitative data with ranges of the data grouped into bins or intervals while bar charts plot categorical data.

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3

1/6

step-by-step explanation: