1. Decreasing the significance level of a hypothesis test, say from 0.05 to 0.01, will cause the p-value of an observed statistic to
2. Two different drugs are being compared in hospitalized patients who have COVID-19.The response variable is hemoglobin level in the blood (in grams/liter).Which of below would be an appropriate test to use?(One-prop z-test, one-sample t-test, paired t-test, two-sample t-test, two-prop z-test)
3. Suppose you carry out a hypothesis test using the Central Limit Theorem.The two-sided p-value is 0.054.What is the one-side p-value assuming your statistic is in the direction of the alternative hypothesis?
4. A standardized statistic represents the number of standard deviations an observed statistic is above or below the hypothesized null value. (T/F)