As the sample size increases and other factors are the same, the ...

[laurencescou]

As the sample size increases and other factors are the same, the width of a confidence interval for a population mean tends to decrease.
  Indicate whether the statement is true or false

Question 2

Indicate whether a negative or a positive correlation coefficient would be expected in a study involving the following two indicated variables: As the dosage of Heparin is increased, the Partial Thronboplain time (PTT) increases.

[meganmoser117]

Answer to Question 1

T

Answer to Question 2

Positive

[laurencescou]

Thanks for the timely response, appreciate it

[nguyenhoanhat]

Excellent