Based on a sample of 63 cars, you find the average price of the sample of cars on the lot to be $13345 c.) This hypothesis test is for the... Proportion using the Z-test statistic Mean with the...


Based on a sample of 63 cars, you find the average price of the sample of cars on the lot to be $13345


c.) This hypothesis test is for the...




  • Proportion using the Z-test statistic

  • Mean with the population standard deviation unknown using the t-test statistic

  • Proportion using the t-test statistic

  • Mean with the poulation standard deviation known using the t-test statistic

  • Mean with the population standard deviation unknown using the Z-test statistic

  • Mean with the population standard deviation known using the Z-test statistic



d.) The test statistic is:___________(to 2 decimals)


e.) At α=α=0.1, the critical value is:±________(to 3 decimals)


f.) Based on this we:




  • Reject the null hypothesis. There is enough evidence to support the car dealer's claim that the average price of cars on his lot is not equal to $13600

  • Reject the null hypothesis. There is enough evidence to reject the car dealer's claim that the average price of cars on his lot is not equal to $13600

  • Fail to reject the null hypothesis. There is NOT enough evidence to support the car dealer's claim that the average price of cars on his lot is not equal to $13600

  • Fail to reject the null hypothesis. There is NOT enough evidence to reject the car dealer's claim that the average price of cars on his lot is not equal to $13600





Jun 09, 2022
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