If there are 10 pairs of data in a matched pairs experiment, the ...

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If there are 10 pairs of data in a matched pairs experiment, the degrees of freedom for the corresponding t-test is 18.
  Indicate whether the statement is true or false

Question 2

A time series is:
 a. a set of measurements on a variable collected at the same time or approximately the same period of time.
  b. a set of measurements on a variable taken over some time period in sequential order
  c. a model that attempts to analyze the relationship between a dependent variable and one or more independent variables
  d. a model that attempts to forecast the future value of a variable

[Bsand8]

Answer to Question 1

F

Answer to Question 2

B

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Thanks for the timely response, appreciate it

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TYSM