When constructing confidence interval for a parameter, we ...

[mwit1967]

When constructing confidence interval for a parameter, we generally set the confidence level 1 -  close to 1 (usually between 0.90 and 0.99) because it is the probability that the interval includes the actual value of the population parameter.
  Indicate whether the statement is true or false

Question 2

When an explanatory variable is dropped from a multiple regression model, the coefficient of determination can increase.
  Indicate whether the statement is true or false

[ynlevi]

Answer to Question 1

T

Answer to Question 2

F