2Fill in the blank with increases or decreases a As sample s

2.Fill in the blank with \"increases\" or \"decreases.\"

   a. As sample size increases, the t-ratio ________.

   b. As variability increases, the t-ratio _______.

   c. Larger standard errors_____ the possibility of a statistically significant effect.

   d. Larger standard deviations _____ the standard error.

Solution

a. As sample size increases, the t-ratio increases.

b.As variability increases, the t-ratio decreases.

c. Larger standard errors decreases the possibility of a statistically significant effect.

d. Larger standard deviations  increases the standard error.