Mission Trip

MAT-144 Mission Project: Part C Statistical Study Scoring Guide

Review the following requirements for Part C of your mission project assignment.

Part C Worksheet |

Requirements:Answer each question fully. Answers must be recorded on the worksheet. | Possible points | Actual points |

Record the mean and median for each of the three groups of samples. | 18 | |

Look at the box plots and histograms for each of the datasets. Record any differences you notice in the charts. Does it appear from the charts that the villagers have access to cleaner water after the mission? | 24 | |

The mission team wants to do a statistical test to support whether or not the villagers have access to cleaner water. State the null and alternative hypotheses that can be used to test the data. | 18 | |

The results of a statistical test to compare the means of the samples are shown on the spreadsheet. Determine if there is statistically significant evidence that the means are different at the α = 0.05 level. | 12 | |

Subtotal for Part C Worksheet | 72 | |

Written Report |

Requirements:Write a 750-1,000-word report of your analysis of the data for the mission team, using technical writing guidelines. The following specific elements must be addressed. | Possible Points | Actual points |

Discuss whether the mean or median is the best measure of central tendency for each sample. | 18 | |

Discuss the differences that you noticed between the samples when reviewing the box plot and histograms. | 18 | |

Discuss the results and statistical significance. Be sure to state both the null and alternative hypotheses. | 26 | |

Evaluate the study’s reliability. At a minimum, Guidelines 1, 3, 4, and 7 from Section B in Chapter 5 should be discussed. | 24 | |

Organization and effectiveness | 14 | |

Formatting according to GCU Style and template | 8 | |

Subtotal for Written Report | 108 | |

Mission Project: Part C Statistical Study Total | 180 | |

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