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Author Question: The t-distribution is used in a confidence interval for a mean when the actual standard error is not ... (Read 94 times)

kshipps

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on: Jun 24, 2018
The t-distribution is used in a confidence interval for a mean when the actual standard error is not known.
  Indicate whether the statement is true or false

Question 2

For the sign test, n equals the number of differences in the sample that are ___________________ _.
 Fill in the blank(s) with correct word


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jennafosdick

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Reply #1 on: Jun 24, 2018
Answer to Question 1

T

Answer to Question 2

non-zero
not zero


kshipps

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Reply 2 on: Jun 24, 2018
Gracias!

chjcharjto14

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Reply 3 on: Yesterday
Excellent

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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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