Draw a frequency distribution table with the help of the graph and find the mean score.
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Noise pollution can cause health problems for people and wildlife, both on land and in the sea. From traffic noise to rock concerts, loud or inescapable sounds can cause hearing loss, stress, and high blood pressure. Noise from ships and human activities in the ocean is harmful to whales and dolphins that depend on echolocation to survive.
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Answer:
80 is the correct answer.
Hope it helps you.
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