Question: PLEASE SHOW COMPLETE SOLUTION In 2010, the average age of minors who committed crimes in the Province of X was 16.24 years old. A study

PLEASE SHOW COMPLETE SOLUTION

In 2010, the average age of minors who committed crimes in the Province of X was 16.24 years old. A study conducted last August 2020 on crimes committed revealed the following ages on minors involved. Is there a reason to believe that minors involved in crime nowadays are getting younger. Assume the population to be normal and use .01 level of significance to test the hypothesis.

12 17 15 15 16 13 14 11 13 14 16 15 15 12 14 15 12 16 15 13 13

Provide:

Null Hypothesis
Alternative Hypothesis
T value
Critical value

With detailed solution please. Thanks.

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