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No. Normal distribution is a special case of distribution.

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โˆ™ 2012-02-02 02:43:19
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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: Are all unimodal distributions normal
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Is unimodal a normal distribution?

It may be or may not be; however a normal distribution is unimodal.

Does the standard normal distribution is unimodal?

Yes it is.

Does all symmetrical distributions are normal?

No. There are many symmetrical distributions that are not Normal. A simple one is the uniform distribution:

Normal distribution is symmetric with single peak.Does this mean that all distibutions are normal?

No, not all distributions are symmetrical, and not all distributions have a single peak.

Are all symmetric distributions normal distributions?

No. There are many other distributions, including discrete ones, that are symmetrical.

Does a normal probability distribution include a bimodal distribution?

No, the normal distribution is strictly unimodal.

Does all symmetrical distributions are normal distribution?

It is not necessary that all symetric distribution may be normal.

What is unimodel?

Unimodal is having a normal disturbution. The mean, median, and mode are all a the center. When looking at a graph, there is one maximum.

How would you describe the shape of a normal curve?

Bell-shaped, unimodal, symmetric

Does this means that all symmetric distribution are normal Explain?

Don't know what "this" is, but all symmetric distributions are not normal. There are many distributions, discrete and continuous that are not normal. The uniform or binomial distributions are examples of discrete symmetric distibutions that are not normal. The uniform and the beta distribution with equal parameters are examples of a continuous distribution that is not normal. The uniform distribution can be discrete or continuous.

Do t distributions have less spread than normal distributions?

I think yes or no

Why is the mean and median not pratical when it comes to the mode?

The three are different measures of central tendency. None of them are substitutes for the other and, except in symmetric unimodal distributions, none of them can be used to estimate another.

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