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ou wish to determine if there is a negative linear correlation between the age of a...

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Basic Math

ou wish to determine if there is a negative linear correlationbetween the age of a driver and the number of driver deaths. Thefollowing table represents the age of a driver and the number ofdriver deaths per 100,000. Use a significance level of 0.05 andround all values to 4 decimal places.

Driver AgeNumber of DriverDeaths per 100,000
6233
3719
5518
2022
3229
7532
3028

Ho: ? = 0
Ha: ? < 0

Find the Linear Correlation Coefficient
r =

Find the p-value
p-value =

The p-value is

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

The p-value leads to a decision to

  • Reject Ho
  • Accept Ho
  • Do Not Reject Ho

The conclusion is

  • There is a significant linear correlation between driver ageand number of driver deaths.
  • There is a significant negative linear correlation betweendriver age and number of driver deaths.
  • There is a significant positive linear correlation betweendriver age and number of driver deaths.
  • There is insufficient evidence to make a conclusion about thelinear correlation between driver age and number of driverdeaths.

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