The data represents the body mass index (BMI) values for 20 females. Construct a

Question

The data represents the body mass index (BMI) values for 20 females. Construct a frequency distribution beginning with a lower class limit of 15.0 and use a class width of 6.0. Does the frequency distribution appear to be roughly a normal distribution Does the frequency distribution appear to be roughly a normal distribution Yes, all of the requirements are met. No, although the distribution is approximately symmetric, the frequencies do not start low, then increase to some maximum frequency, then decrease. No, although the frequencies start low, increase to some maximum, then decrease, the distribution is not symmetric. No, the distribution is not symmetric and the frequencies do not start off low.

Explanation / Answer

Counting the data in the intervals we have the frequency distribution as

From the table we see that the distribution starts from low then increases and again decreases but this increase and decrease is not symmetrical.

So option C is correct

BMI Frequency 15.0-20.9 3 21.0 - 26.9 9 27.0 - 32.9 3 33.0 - 38.9 3 39.0 - 44.9 1

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