Question

Use the table to answer the following question.

Height Frequency of Students in Grades 10-12
Grade 10-12
Height Range 55-59 60-64 65-69 70-74
Frequency 4 9 8 4
A 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)
Responses

When graphed, the data creates a straight line.
When graphed, the data creates a straight line.

The frequencies for each height range are different.
The frequencies for each height range are different.

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.

Answer 1

When graphed, the data creates a bell curve.

(The frequencies rise to a peak in the middle ranges (9 and 8) and fall at the ends (4 and 4), giving a symmetric, bell-shaped histogram.)