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    Paired t test for injury data

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    A company implemented a safety program designed to reduce the number of work related injuries. Human Resources department collected the following data to verify the effectiveness of the program:

    Number of injuries per week
    Week 1
    Week 2
    Week 3
    Week 4
    Week 5
    Week 6
    Week 7
    Week 8

    Before
    4
    5
    2
    2
    3
    3
    6
    3

    After
    3
    1
    0
    0
    1
    2
    2
    4

    Has there been a statistically significant decrease in the number of injuries since the implementation of the program? Use the .05 significance level.

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    https://brainmass.com/statistics/students-t-test/paired-t-test-for-injury-data-120412

    Solution Summary

    Paired t test for safety program designed to reduce the number of work related injuries. Null Hypothesis, Alternative Hypothesis, Significance Level, Critical Value, P value are given in the solution.

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