Question

You think that your tree planting buddies are not sharpening their shovels often enough (or perhaps well enough). For 8 of your friends, you measure the number of trees they plant on Tuesday morning, Then you (who are a master shovel sharpener) sharpen each of their shovels during the evening so that they will have a razor sharp shovel the next morning. Then you measure the number of trees each of them plant on Wednesday morning. Do you have enough evidence (at ?=.05α=.05) to conclude that your expert sharpening increased their production?

Planter | Tuesday | Wednesday |
---|---|---|

Akeera | 600 | 600 |

Batoul | 1100 | 1200 |

Chloe | 900 | 800 |

Dylan | 800 | 1000 |

Ethan | 1000 | 1100 |

Francisca | 700 | 800 |

George | 300 | 400 |

Hope | 400 | 400 |

Answer #1

You think that your tree planting buddies are not sharpening
their shovels often enough (or perhaps well enough). For 8 of your
friends, you measure the number of trees they plant on Tuesday
morning, Then you (who are a master shovel sharpener) sharpen each
of their shovels during the evening so that they will have a razor
sharp shovel the next morning. Then you measure the number of trees
each of them plant on Wednesday morning. Do you have enough...

You think that your tree planting buddies are not sharpening
their shovels often enough (or perhaps well enough). For 8 of your
friends, you measure the number of trees they plant on Tuesday
morning, Then you (who are a master shovel sharpener) sharpen each
of their shovels during the evening so that they will have a razor
sharp shovel the next morning. Then you measure the number of trees
each of them plant on Wednesday morning. Do you have enough...

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