please answer a and b, 1-5

1. critical value 2. pooled variance 3. standard error 4. t 5. Decision (reject/fail to reject) 5. effect size and or confidence interval if required18. If other factors are held constant, explain how each of the following influences the value of the independent- measures t statistic, the likelihood of rejecting the null hypothesis, and the magnitude of measures of effect size: a. Increasing the number of scores in each sample b. Increasing the variance for each sample