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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.
image text in transcribed
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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