Title | Description |
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Skill check: Electric charge, field, and electric potential | Take this skill check to help you determine what you should review in electric charge, field, and electric potential. |

Skill check: Mean value theorem, L'Hopital, and local linearization | Test your understanding of a few key theorems in differential calculus |

Skill check: Membranes, diffusion, and osmosis | Test your understanding of membranes, diffusion, and osmosis! |

One sample intervals for proportions | For example, interpret a 2% margin of error. |

One sample intervals for means | For example, given a context, is it okay to construct a 95% confidence interval? |

One sample tests for proportions | For example, given a context, what is the meaning of Type 1 error? |

One sample tests for means | For example, given a context, are the conditions met to perform a one-sample test about the mean? |

Skill check: Optimization | Check your understanding of relative minima, maxima, concavity and optimization problems |

Skill check: Oscillations and mechanical waves | This skill check can help learners figure out what areas they need to study. |

Skill check: Periodic trends | A skill check on periodic trends |

Skill check: Photosynthesis | Check your understanding of photosynthesis! |

Regression slope intervals | For example, are the conditions for a regression slope confidence interval met? |

Regression slope test | For example, interpret the p-value that comes from a regression slope test. |

Sampling distributions | For example, find the mean and standard deviation of 100 randomly selected babies from a population normally distributed with a mean of 7.5 pounds and standard deviation of 1.25 pounds. |

Skill check: Strong acid/strong base titrations | Check your understanding of strong acid and strong base titrations! |

Skill check: Defining the derivative | Check your understanding of approximating, visualizing and interpreting the tangent line of a graph. |

Skill check: Tangents, motion, and critical points | Test your ability to find the equation of a tangent line, analyze motion along a line, and find critical points |

Density curves and the normal distribution | For example, what is the area above z = 1.36 on on the standard normal distribution. |

Skill check: Titrating weak acids and bases | Skill check for titrating weak acids with strong bases, and weak bases with strong acids |

Transforming and combining random variables | For example, find the variance of the difference between the running times of two students selected from a population with mean 8 minutes and standard deviation 50 seconds. |