Podcast
Questions and Answers
Which of the following is NOT a characteristic of a population?
Which of the following is NOT a characteristic of a population?
- Subset of the population (correct)
- Set of all possible values of the variable
- Numerical measures that describe the population of interest
- Set of all entities under study
Which type of variable represents categorical data that does not have a numeric value?
Which type of variable represents categorical data that does not have a numeric value?
- Continuous variable
- Qualitative variable (correct)
- Discrete variable
- Quantitative variable
If the probability of event A is 0.3 and the probability of event B is 0.5, what is the probability of the two events occurring together (A and B) assuming they are independent?
If the probability of event A is 0.3 and the probability of event B is 0.5, what is the probability of the two events occurring together (A and B) assuming they are independent?
- $0.3$
- $0.8$
- $0.5$
- $0.15$ (correct)
Which of the following is NOT a type of statistical analysis?
Which of the following is NOT a type of statistical analysis?
If two events A and B are not mutually exclusive, which of the following statements is true?
If two events A and B are not mutually exclusive, which of the following statements is true?
Which of the following is a measure of central tendency that describes the typical or average value in a dataset?
Which of the following is a measure of central tendency that describes the typical or average value in a dataset?
Which of the following is a property of a mutually exclusive event?
Which of the following is a property of a mutually exclusive event?
What is the formula for the probability of the union of two non-mutually exclusive events A and B?
What is the formula for the probability of the union of two non-mutually exclusive events A and B?
What is the formula for the probability of the intersection of two independent events A and B?
What is the formula for the probability of the intersection of two independent events A and B?
Which of the following is a property of a random variable?
Which of the following is a property of a random variable?
What is the sum of the probabilities of all possible values of a discrete random variable?
What is the sum of the probabilities of all possible values of a discrete random variable?
Which of the following is a property of the normal distribution?
Which of the following is a property of the normal distribution?
What is the formula for the standard score (z-score) of a normally distributed variable?
What is the formula for the standard score (z-score) of a normally distributed variable?
