chapter 13 Flashcards

1
Q

When to use one-sample t test

A
  • only one sample
  • population mean in known
  • sample SD is known
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2
Q
A
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3
Q

What is Degrees Of Freedom

A

the number of values that are free to vary when calculating the statistic

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4
Q
A
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5
Q

Confidence Interval Equation

A

CI = point estimate ± margin of error

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