Practice exam two

1. EDA stands for what?
   1. Extra data analysis
   2. Extrapolate data architecture
   3. Extract data analyze
   4. Exploratory data analysis
2. You run a study to see whether there is a difference in the amount of weight a hamster can lift compared to a gerbil. You find out the results and come to a conclusion. If the result was a type II error, what was your conclusion?
   1. There is a difference between hamster and gerbil lifting capacities
   2. Gerbils and hamsters can lift the same amount
   3. Hamsters can lift more than gerbils
   4. Gerbils can lift more than hamsters
3. The following dataset is an example of what type of error?

1. Missing data
2. Duplicate data
3. Invalid data
4. Redundant data

4. Which of the following represents the percent of observations in each category as compared to the whole?
   1. Percentage
   2. Percent change
   3. Percent difference
   4. Frequency
5. A pharmaceutical lab wants to know whether a memory-enhancing drug works. They have two mice run the same...