You wish to determine if there is a positive linear correlation between the age of a driver and the number of driver deaths. The following table represents the age of a driver and the number of driver deaths per 100,000. Use a significance level of 0.05 and round all values to 4 decimal places. Driver Age Number of Driver Deaths per 100,000 21 19 27 20 58 31 77 31 47 24 50 26 Ho: ρ = 0 Ha: ρ > 0 Find the Linear Correlation Coefficient r = Find the p-value p-value = The p-value is Greater than αα Less than (or equal to) αα The p-value leads to a decision to Reject Ho Accept Ho Do Not Reject Ho

MATLAB: An Introduction with Applications
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You wish to determine if there is a positive linear correlation between the age of a driver and the number of driver deaths. The following table represents the age of a driver and the number of driver deaths per 100,000. Use a significance level of 0.05 and round all values to 4 decimal places.

Driver Age Number of Driver Deaths per 100,000
21 19
27 20
58 31
77 31
47 24
50 26

 

Ho: ρ = 0
Ha: ρ > 0

Find the Linear Correlation Coefficient
    r = 

Find the p-value
   p-value =   

The p-value is

  • Greater than αα
  • Less than (or equal to) αα

 

The p-value leads to a decision to

  • Reject Ho
  • Accept Ho
  • Do Not Reject Ho

 

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