Question

Use the table to answer the following question.Height Frequency of Students in Grades 10-12Grade 10-12Height Range55-5960-6465-6970-74Frequency4984A statistician collects the following height data in inches for a school district. The statistician says that it is a normal distribution. How did they draw this conclusion?(1 point)ResponsesWhen graphed, the data creates a straight line.When graphed, the data creates a straight line.When graphed, the data creates a bell curve.When graphed, the data creates a bell curve.The frequencies for the first and last height range are the same.The frequencies for the first and last height range are the same.The frequencies for each height range are different.The frequencies for each height range are different.Skip to navigation

Answer 1

When graphed, the data creates a bell curve.

Explanation: the middle height ranges have the highest frequencies and the end ranges drop off (and are equal), producing a symmetric, bell-shaped histogram characteristic of a normal distribution.