Completed 0 of 15 questions.
Someone says that theoretically, 50% of the data is above the mean, and 50% below. You reply:
Suppose you are trying to estimate the numerical value of a future data point, and how far you are off is irrelevent. Which statistic would be the most useful?
You are comparing two data which you found to be normally distributted. The first dataset average is 95 st. dev. is 40, the second dataset average is 105 and st. dev. 10.
Of the two datasets in Q3, which set likely has more points with values greater than 160?
Suppose you are trying to estimate the numerical value of a future data point, you don't care if you are right or not, you just dont want to be really far off, Which statistic would be the most useful
What is the difference between Standard Error and Standard Deviation?
You are doing a hypothesis test. As your sample size approaches zero, which are you more likely to conclude?
You are doing a hypothesis test, as your sample size reaches infinity, which are you more likely to conclude?
You are reading a research article in which the researchers run a hypothesis test and give you a p-value of .02. What is that p-value?
The researchers concluded to not reject the null hypothesis in Q9. What is the best they value could have given you?