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Showing 241 to 260 of 1463 results

Name	Description
Simple random samples Description Practice using tables of random digits and random number generators to take a random sample.	Practice using tables of random digits and random number generators to take a random sample.	Timed Test
Skill check: Applications to other fields and related rates Description Test how well you can apply the principles of differentiation to other fields.	Test how well you can apply the principles of differentiation to other fields.	Timed Test
Binomial random variables Description For example, find the mean and standard deviation of a binomial random variable with p = 0.02 and N = 500.	For example, find the mean and standard deviation of a binomial random variable with p = 0.02 and N = 500.	Timed Test
Chi-square goodness-of-fit test Description For example, interpret a p-value of 0.032 that comes from a chi-square goodness-of-fit test.	For example, interpret a p-value of 0.032 that comes from a chi-square goodness-of-fit test.	Timed Test
Chi-square tests for two-way tables Description For example, given a context, are the results of a chi-square test valid?	For example, given a context, are the results of a chi-square test valid?	Timed Test
Skill check: Computing derivatives, part 1 Description See how well you can compute a derivative.	See how well you can compute a derivative.	Timed Test
Skill check: Computing derivatives, part 2 Description Check your ability to take derivatives beyond simple functions.	Check your ability to take derivatives beyond simple functions.	Timed Test
Skill check: Finding limits Description Check your understanding of estimating limits numerically and graphically	Check your understanding of estimating limits numerically and graphically	Timed Test
Geometric random variables Description		Timed Test
Least squares regression line basics Description For example, does the sum of the residuals from a least squares regression line always equal 0?	For example, does the sum of the residuals from a least squares regression line always equal 0?	Timed Test
Skill check: Mean value theorem, L'Hopital, and local linearization Description Test your understanding of a few key theorems in differential calculus	Test your understanding of a few key theorems in differential calculus	Timed Test
One sample intervals for proportions Description For example, interpret a 2% margin of error.	For example, interpret a 2% margin of error.	Timed Test
One sample intervals for means Description For example, given a context, is it okay to construct a 95% confidence interval?	For example, given a context, is it okay to construct a 95% confidence interval?	Timed Test
One sample tests for proportions Description For example, given a context, what is the meaning of Type 1 error?	For example, given a context, what is the meaning of Type 1 error?	Timed Test
One sample tests for means Description For example, given a context, are the conditions met to perform a one-sample test about the mean?	For example, given a context, are the conditions met to perform a one-sample test about the mean?	Timed Test
Skill check: Optimization Description Check your understanding of relative minima, maxima, concavity and optimization problems	Check your understanding of relative minima, maxima, concavity and optimization problems	Timed Test
Assessing the fit of a line Description For example, how does the coefficient of determination r^2 change when we remove an outlier that is below the regression line.	For example, how does the coefficient of determination r^2 change when we remove an outlier that is below the regression line.	Timed Test
Skill check: Partial derivatives and the gradient Description Test your knowledge of partial derivatives	Test your knowledge of partial derivatives	Timed Test
Regression slope intervals Description For example, are the conditions for a regression slope confidence interval met?	For example, are the conditions for a regression slope confidence interval met?	Timed Test
Regression slope test Description For example, interpret the p-value that comes from a regression slope test.	For example, interpret the p-value that comes from a regression slope test.	Timed Test

Math Exercises