The correct response is:
When graphed, the data creates a bell curve.
This indicates that the distribution of the data is symmetrical and peaks in the middle, which is characteristic of a normal distribution.
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.
The frequencies for the first and last height range are the same.
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1 answer
The correct response is:
When graphed, the data creates a bell curve.
This indicates that the distribution of the data is symmetrical and peaks in the middle, which is characteristic of a normal distribution.