Ask Question
6 June, 18:49

The mean score of a competency test is 82, with a standard deviation of 2. Between what two values do about 99.7% of the values lie?

+3
Answers (1)
  1. 6 June, 21:50
    0
    99.7% encompasses about 3 standard deviations either side of the mean.

    82 ±3*2 = (76, 88)

    About 99.7% of the values lie between 76 and 88.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The mean score of a competency test is 82, with a standard deviation of 2. Between what two values do about 99.7% of the values lie? ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers