Question 1
What does it mean if a distribution is left skewed?
Question 2
What shape does a left-skewed histogram typically have?
Question 3
In a binomial distribution, how do you calculate the standard deviation?
Question 4
How do you calculate the interquartile range (IQR) for a set of data?
Question 5
When dealing with a set audit rate, how can the probability of an audit rate lower than a specific percentage be calculated?
Question 6
What is a categorical variable?
Question 7
How is the mean number of GM vehicles driven by males calculated given a probability and sample size?
Question 8
According to the Empirical Rule, what interval does 68% of data fall within for normally distributed data?
Question 9
How do you calculate the z-score for the proportion of days selling less than a specific amount of milk?
Question 10
When each observation in a data set increases by a certain amount, what happens to the new mean?
Question 11
How do you calculate the z-score to find the percentile of an exam score?
Question 12
To reduce the standard error by a factor of 5 from an original sample, what should you do with the sample size?
Question 13
What is the formula for calculating standard error in a population proportion context?
Question 14
How is the probability of getting exactly a certain number of correct answers in a multiple-choice test calculated when n and p are given?
Question 15
What does the Central Limit Theorem state about the distribution of sample means?