1 of20 The t distribution has which of the following characteristics It is bell shaped, symmetric and centered around zero It has heavier tails than the normal distribution Degrees of freedom is a parameter of the distribution All the above are characteristics of the t distribution 2 of 20 In calculations of the confidence interval for a mean with known population o, the standard error is calculated as O Zen O Vn OX E

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1 of20 The t -distribution has which of the following characteristics? It is bell shaped, symmetric and centered around zero. It has heavier tails than

1 of20

The t-distribution has which of the following characteristics?

	It is bell shaped, symmetric and centered around zero.
	It has heavier tails than the normal distribution.
	Degrees of freedom is a parameter of the distribution.
	All the above are characteristics of the t-distribution.

2 of 20 In calculations of the confidence interval for a mean with known population o, the standard error is calculated as O Zen O Vn OX+ E

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