Do types of crimes reported on television newscasts differ by the age of the criminals?  A researcher uses her dvr to record the local television news for a 2-week period of time.  She records the types of crimes and notes the age of the offender.  Conduct a chi-square test (alpha = .05) of the null hypothesis that televised offense type does not vary by age group of offender. Offense type  Young      middle age    older violent               27               10               3 property         14             12                 11 sex                  7                 9                   5   Report the obtained chi-square, df, and critical chi-square.  Report your findings based on the null hypothesis.

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Do types of crimes reported on television newscasts differ by the age of the criminals?  A researcher uses her dvr to record the local television news for a 2-week period of time.  She records the types of crimes and notes the age of the offender.  Conduct a chi-square test (alpha = .05) of the null hypothesis that televised offense type does not vary by age group of offender.

Offense type  Young      middle age    older

violent               27               10               3

property         14             12                 11

sex                  7                 9                   5

 

Report the obtained chi-square, df, and critical chi-square.  Report your findings based on the null hypothesis.

 

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