BUS1200 (SOPH-0017) Foundations of Statistics
Statistics and Parameters – Flash Cards
Question
Answer
1. What is the mean in statistics?
The mean is the average of a set of numbers, calculated by summing all the values and dividing by the total count.
2. What is the median in statistics?
The median is the middle value in a set of numbers when they are arranged in ascending or descending order.
3. What is the mode in statistics?
The mode is the value that appears most frequently in a set of numbers.
4. What is the range in statistics?
The range is the difference between the maximum and minimum values in a set of numbers.
5. What is the standard deviation in statistics?
The standard deviation measures the amount of variation or dispersion in a set of numbers. It shows how much the values differ from the mean.
6. What is a sample in statistics?
A sample is a subset of a population that is used to represent the entire population for statistical analysis.
7. What is a population in statistics?
A population is the complete set of individuals, objects, or events that the researcher is interested in studying.
8. What is probability in statistics?
Probability is a measure of the likelihood of an event occurring. It is expressed as a number between 0 and 1, where 0 represents impossibility and 1 represents certainty.
9. What is correlation in statistics?
Correlation measures the relationship between two variables. It indicates how changes in one variable are associated with changes in another variable.
10. What is hypothesis testing in statistics?
Hypothesis testing is a statistical method used to make inferences or draw conclusions about a population based on sample data. It involves formulating a null hypothesis and an alternative hypothesis.
Additional Flash Cards for TERMS TO KNOW:
Term
Definition
Population
The complete set of individuals, objects, or events that the researcher is interested in studying.
Sample
A subset of a population that is used to represent the entire population for statistical analysis.
