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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: When the size of a representative sample increases does the mean range median or standard deviation decrease?
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Is The standard deviation of all possible sample proportions increases as the sample size increases?

The standard deviation would generally decrease because the large the sample size is, the more we know about the population, so we can be more exact in our measurements.

What happens to the confidence interval as the standard deviation of a distribution increases?

The standard deviation is used in the numerator of the margin of error calculation. As the standard deviation increases, the margin of error increases; therefore the confidence interval width increases. So, the confidence interval gets wider.

How are the mean and standard deviation affected by an outlier?

The mean is "pushed" in the direction of the outlier. The standard deviation increases.

As the sample size increases the standard deviation of the sampling distribution increases?


Does adding stocks decrease a portfolios standard deviation and risk?

It depends on the standard deviation and risk of the new stock.

What happens to the standard score as the standard deviation increases?

The absolute value of the standard score becomes smaller.

Does the distribution of sample means have a standard deviation that increases with the sample size?

No, it is not.

Will the standard error decrease if the sample size increases?

it should decrease

What will happen if the difference between scores and the mean decreases?

The variance and the standard deviation will decrease.

What are the assumptions of standard deviation?

The standard deviation is the standard deviation! Its calculation requires no assumption.

What does the sample standard deviation best estimate?

The standard deviation of the population. the standard deviation of the population.

What is standard deviation of 155.45?

The standard deviation is 0.

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