A person can take either of two routes to work, through Mattesonor Richton Park. Both take on average 35 minutes, andtravel times are Normally distributed. But are the variancesof the travel times different? A random sample with n = 8using the Matteson route, and another random sample with n = 6using the Richton Park route, showed a variance of 45(units: square minutes) and 25 respectively. To test whetherthe variances are different, the following test of hypothesis is tobe carried out:
H0:
H1:
What is the value of the test statistic?
A person can take either of two routes to work, through Matteson or Richton Park. Both take on average 35 minutes, and
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