BST 322 BST322 Quiz 3 Answers (National University)
- In inferential statistics, the objective is to determine how probable it is that:
- In medical statistics, we general set the level of significance at:
- If you wanted to compare the effect of 3 separate kinds of interventions (3 separate groups of one independent variable -the intervention type) on a single dependent variable, the appropriate test would be:
- A nurse researcher studied the effect of biofeedback on blood pressure. For this study, she measured blood pressure on subjects, taught them biofeedback techniques, then re-measured blood pressure on the same group of patients. Which t-test would be most appropriate for this design?
- What does it mean if your test result is "statistically significant"?
- When the alternative hypothesis states that the difference between two groups can only be in one direction, we call this a:
- What is the probability of rolling an odd number on a fair die (singular of dice) in one roll?
- If you wanted to test a set of patients' responses to a given therapy at 1, 3, and 6 months, you would use which statistical test?
- The Central Limit Theorem states:
- Nurse researchers hypothesized that the use of therapeutic touch would reduce anxiety levels in pre-op hip replacement patients. The null hypothesis would be:
- A range of values estimated to have a high probably of containing the population value is called:
- Level of significance is symbolized by:
- The area of a sampling distribution beyond which the null hypothesis is rejected is known as the:
- What is the probability of rolling first an odd number, then an even number with one fair die?
- The hypothetical result of an infinite sample from a given population and calculating of some statistic from those infinite samples is a:
- If a researcher rejects a null hypothesis when that hypothesis is actually true, he has committed:
- The smaller the SEM,
- Statistical tests that make assumptions about the underlying distributions are called:
- If a researcher accepts a null hypothesis when that hypothesis is actually false, he has committed:
- A study in which a set of patients are tested for pain level before and after being given a new pain medication would use which test?
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