The correct response is:
When graphed, the data creates a bell curve.
This is a characteristic of a normal distribution, where the frequencies of the data points form a symmetrical bell-shaped curve when plotted.
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 each height range are different.
The frequencies for each height range are different.
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.
1 answer
The correct response is:
When graphed, the data creates a bell curve.
This is a characteristic of a normal distribution, where the frequencies of the data points form a symmetrical bell-shaped curve when plotted.