Stats Medic Review Flashcards

One sample t-interval for a mean

Test statistic for one-sample t test for a mean

One sample z-interval for a proportion

Test statistic for one-sample z test for a proportion

Two-sample t-interval for difference of two means

Test statistic for two-sample t-test for difference of two means

Two sample z interval for a difference of proportions

Test statistic for a two-sample z test for a difference of proportions

Test statistic formula for chi-square test for Homogeneity, Independence, or Association

Test statistic formula for chi-square test for Goodness of Fit

t-interval for slope

t-test for slope

Point Estimate and Margin of Error

How to find the point estimate and margin of error given a confidence interval

What are Type I and Type II errors?

Power of a hypothesis test

Interpret the confidence interval

Interpret the confidence level

Interpret P-value

What is an unbiased estimator?

Conditions for a one-sample t-test and t-interval for a mean

Conditions for a one-sample z-test and z-interval for a proportion

Conditions for a two-sample t-test and t-interval for a difference of two means

Conditions for a two-sample z-test and z-interval for a difference of two proportions

Conditions for a chi-square test

Conditions for a t-test or t-interval for slope

Why do we check the Random, 10%, and Normal conditions?

What is the difference between a parameter and a statistic?

What is the difference between the population distribution, the sample distribution, and the sampling distribution?

What is the Central Limit Theorem?

What calculator function is used for a one-sample t-interval for a mean?

What calculator function is used for a one-sample t-test for a mean?

What calculator function is used for a one-sample z-interval for a proportion?

What calculator function is used for a one-sample z-test for a proportion?

What factors affect the width of a confidence interval?

How do I make a decision based on a P-value?

What is the probability that a specific interval captures the population parameter?

What does it mean if we reject (or fail to reject) the null hypothesis?

How do you calculate expected counts in a chi-square test for homogeneity, independence, or association?

How should you choose the correct inference procedure?

What should you include when asked to "Describe a Distribution"?

What is the rule for outliers?

How can we use a graph to compare the mean and the median?

What does it mean to interpret the standard deviation?

What should you include when asked to "Describe a Relationship" in a scatterplot?

What should you include when asked to "Compare" two distributions?

How do you find the mean, STD, and 5-number summary using a graphing calculator?

How do you calculate the LSRL using a graphing calculator?

What is the IQR?

How do you calculate percentile from a data set?

How do you interpret the y-intercept of an LSRL?

How do you interpret the slope of an LSRL?

How do you interpret r-squared (a.k.a. the coefficient of determination)?

What are the properties of r (the correlation)?

What is r?

What is an outlier in regression?

What is a high-leverage point in regression?

What is an influential point in regression?

What is the difference between categorical and quantitative variables?

What is the difference between discrete and continuous variables?

What is a control group? What is the purpose of a control group?

What is single blind and double blind?

What are two poor sampling methods?

What are the explanatory and response variables?

What are experimental units and/or subjects?

What types of bias can arise in observational studies?

Can increasing sample size correct issues that arise from biased sampling?

When can results be generalized to a larger population?

What is the difference between an observational study and an experiment?

When can we make conclusions about cause and effect?

How can you carry out random assignment with a hat?

What is a simple random sample (SRS)?

What is a stratified random sample?

What is a systematic random sample?

What is a confounding variable?

What should a well-designed experiment include?

What is a completely randomized design?

What is a randomized block design and what is its purpose?

What is a matched pairs design?

What are the mean and STD for a binomial distribution?

What are the mean and STD of a geometric distribution?

What is the formula for finding the probability of x successes in n trials?

What is the formula for finding the probability of success on the xth trial?

What are the conditions for a binomial random variable?

What are the conditions for a geometric random variable?

What is the law of large numbers?

How do you calculate the probability of "at least 1"?

How do you calculate conditional probability?

It's on the formula sheet!

How can you tell if two events are independent?

How can you combine the mean and standard deviation of two independent variables that are being added together?

How can you combine the mean and standard deviation of two independent variables that are being subtracted?

How can you find the mean and standard deviation for many of the same independent variable?

How can you find the mean and standard deviation for a discrete probability distribution?

What is the z score formula and how can z score be interpreted?

What calculator function will find an area, probability, percentile, or percent on a Normal distribution?

What calculator function will find a value from a given area, probability, percentile, or percent on a Normal distribution?

What is the Empirical rule for a Normal distribution?

What is the difference between binompdf and binomcdf?

What are mutually exclusive events?

How do you calculate the probability of A and B?

rearrange the conditional probability formula on the formula sheet!