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 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.
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 appropriate response to the statistician's conclusion that the data is a normal distribution is:
When graphed, the data creates a bell curve.
This is because a normal distribution is characterized by its bell-shaped curve when the frequency of the data is plotted graphically.
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1 answer