Podcast
Questions and Answers
What is the binomial distribution used to model?
What is the binomial distribution used to model?
- The number of independent experiments in a sequence of successes
- The number of successes in a sequence of independent experiments (correct)
- The probability of success in a single experiment
- The number of failures in a sequence of independent experiments
What is a Bernoulli trial?
What is a Bernoulli trial?
- A success/failure experiment in a binomial distribution (correct)
- A sequence of independent experiments in a binomial distribution
- A sequence of outcomes in a binomial process
- A probability distribution with parameters n and p
When does the binomial distribution become a good approximation for the hypergeometric distribution?
When does the binomial distribution become a good approximation for the hypergeometric distribution?
- When the sample size n is much smaller than the population size N
- When the sample size n is much larger than the population size N (correct)
- When the draws are not independent and without replacement
- When the draws are independent and with replacement
What does the symbol B(n, p) represent in the context of the binomial distribution?
What does the symbol B(n, p) represent in the context of the binomial distribution?
What is the basis for the popular binomial test of statistical significance?
What is the basis for the popular binomial test of statistical significance?
Which term is used to denote the tendency of quantitative data to cluster around some central value?
Which term is used to denote the tendency of quantitative data to cluster around some central value?
What is the arithmetic mean?
What is the arithmetic mean?
What is typically contrasted with the central tendency of a distribution?
What is typically contrasted with the central tendency of a distribution?
Which measure represents the middle value that separates the higher half from the lower half of the data set?
Which measure represents the middle value that separates the higher half from the lower half of the data set?
In statistics, what are measures of central tendency often called colloquially?
In statistics, what are measures of central tendency often called colloquially?
Which measure of central tendency is most affected by extreme values in a data set?
Which measure of central tendency is most affected by extreme values in a data set?
What term is often used to denote the most frequent value in a data set?
What term is often used to denote the most frequent value in a data set?
In which type of distribution would the median be equal to the mean?
In which type of distribution would the median be equal to the mean?
What is the geometric mean typically used for in statistics?
What is the geometric mean typically used for in statistics?
When might it be more appropriate to use the median as a measure of central tendency instead of the mean?
When might it be more appropriate to use the median as a measure of central tendency instead of the mean?
