Does the frequency distribution appear to have a normal distribution? A. No, the

Question

Does the frequency distribution appear to have a normal distribution? A. No, the frequencies do not decrease from the maximum frequency to a low frequency. B. Yes, all the requirements are met. C. No, the distribution does not appear to be normal. Does the frequency distribution appear to have a normal distribution? Explain. Choose the correct answer below. A. Yes, because the frequencies start low, proceed to one or two high frequencies, then increase to a maximum, and the distribution is not symmetric. B. No, because the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, and the distribution is not symmetric. C. Yes, because the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, and the distribution is approximately symmetric. D. No, because the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, and the distribution is approximately symmetric.

Explanation / Answer

7) option C) is correct

observe that data is symmetric

as

1,3,9,13,9,3,1   is same as front as well as back ,hence it is symmetric

something of the form

we also see that frequency is lowest in extreme values at mean and increases as we go towards mean from either side (from left or right )

hence

the frequency distribution appear to have a normal distribution

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