Problem 74AE

The synthetic radioisotope technetium-99, which decays by beta emission, is the most widely used isotope in nuclear medicine. The following data were collected on a sample of 99Tc:

Disintegrations |
per Minute Time (h) |

180 |
0 |

130 |
2.5 |

104 |
5.0 |

77 |
7.5 |

59 |
10.0 |

46 |
12.5 |

24 |
17.5 |

Using these data, make an appropriate graph and curve fit to determine the half-life.

Types of Data - Nominal - Ordinal - Categorical - Interval - Ratio Which data types/scales are categorical data and why - Nominal - Ordinal Categorical - Colors - Types of Candies - Shirts - Gender - Countries - Animals Ordinal - Some sort of ranking - Put in order Which data types/scales are numerical data and why Interval - No zero Ratio - Absolute zero What type of data is the most ideal to have The Truth about Data Mean, median, and mode and point of reference Data - derives from latin dare= to give - plural of datum= something given - 17 /18 century became data Something Givenâ€¦ - No intrinsic truth - But truth can be found in data - Context needed to be more ac