Descriptive Statistics
What is the term for the average of a data set
What is the mean
What is the probability of rolling a 3 on a fair six-sided die
What is 1/6
What type of distribution is symmetric and bell-shaped, commonly known as the bell curve
What is the normal distribution
What is the process of making conclusions about a population based on a sample called
What is inference
Which test is used to compare the means of two independent groups
What is the independent t-test
What measures the middle value in a data set when ordered from least to greatest
What is the median
What rule is used to find the probability of either of two mutually exclusive events occurring
What is the addition rule
What distribution is used for the number of successes in a fixed number of independent Bernoulli trials
What is the binomial distribution
What is the term for the probability of observing a test statistic as extreme as, or more extreme than, the observed value under the null hypothesis
What is the p-value
Which test is used for testing the independence of to categorical variables
What is the chi-square test for independence
What is the value that appears most frequently in a data set
What is the mode
What is the term for the probability of an event occurring given that another event has already occurred
What is conditional probability
What is the shape of a uniform distribution
What is rectangular
What is the level of confidence in a confidence interval expressed as
What test compares the means of two related groups
What is matched paired t-test
What statistic measures the spread of the middle 50% of data
What is the interquartile range (IQR)
What is the name of the rule used to calculate the probability of the intersection of two independent events
What is the multiplication rule
What is the term for a distribution that has a single peak
What is unimodal
What type of error occurs when the null hypothesis is incorrectly rejected
What is a Type I error
Which test is used to compare observed frequencies to expected frequencies in categorical data
What is the chi-square goodness of fit test
What measure calculates the average squared deviation from the mean
What is the variance
What is Bayes' theorem used for
What is finding the probability of an event based on prior knowledge of conditions related to the event
What is the skewness of a normal distribution
What does a low p value indicate about the null hypothesis
What test is used to determine if there is a significant difference between the proportions of two independent groups
What is the two proportion z test