# Sample T Test

Employer A states the average number of days missed in a year by each staff member is 4.0. Office personnel randomly sampled a portion of their attendance records to determine if this claim was accurate. For the previous year, the following data was obtained from the sample group, regarding absences for that year: 4, 4, 3, 2, 6, 8, 7, 1, 9, 3, 1, and 6. At the .05 level of significance, is there convincing evidence that the number of absences per employee has increased?

Â© BrainMass Inc. brainmass.com December 15, 2022, 4:20 pm ad1c9bdddfhttps://brainmass.com/statistics/students-t-test/sample-t-test-19632

#### Solution Preview

you can do a one sample t test for this.you can do this

<br>at:http://www.graphpad.com/quickcalcs/OneSampleT1.cfm

<br>

<br>

<br>One sample t test results

<br>P value and statistical significance: ...

#### Solution Summary

Employer A states the average number of days missed in a year by each staff member is 4.0. Office personnel randomly sampled a portion of their attendance records to determine if this claim was accurate. For the previous year, the following data was obtained from the sample group, regarding absences for that year: 4, 4, 3, 2, 6, 8, 7, 1, 9, 3, 1, and 6. At the .05 level of significance, is there convincing evidence that the number of absences per employee has increased?