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
The frequencies for the first and last height range are the same.
The frequencies for the first and last height range are the same.
When graphed, the data creates a bell curve.
When graphed, the data creates a bell curve.
When graphed, the data creates a straight line.
When graphed, the data creates a straight line.
The frequencies for each height range are different.
1 answer
The correct response is:
When graphed, the data creates a bell curve.
A normal distribution is typically characterized by a bell-shaped curve when the frequencies are plotted. In this case, the given height data would likely produce a bell curve, indicating that it follows a normal distribution.
