A chemistry class has learned how to reada sensitive high-caliber balance scale

Question

A chemistry class has learned how to reada sensitive high-caliber balance scale (this is not a digital scale). Since most students are very good at reading the scale, the instructor decides it's time to test their skills. The instructor asks each student to weigh the same 1.6 ounce bag of Peanut M&Ms;, and then records each student's reading of the balance scale. Which histogram shows the distribution of the students' balance-scale readings? o points Which of the following statements is valid? A. O Histogram I B. O Histogram II c. O Histogram III D. O Histogram IV

Explanation / Answer

as most of the student score good and should have approximate equal skill; therefore histogram should be approximately symmetrical

option B is correct

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