Given that a sample of size 32 and a population standard ...

[NClaborn]

Given that a sample of size 32 and a population standard deviation of 0.3, what would be the margin of error at a 90 level of confidence?
 
  A) 0.9186
  B) 1.018
  C) 0.4452
  D) 0.09

Question 2

An independent variable should be removed to improve the regression model if ________.
 
  A) the correlation coefficient is -1
  B) the R2 value is 1
  C) the t-statistic is lesser than 1
  D) the p-value is greater than 0.05

[janieazgirl]

Answer to Question 1

D

Answer to Question 2

C