You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05. Ho:μ=63.4Ho:μ=63.4 Ha:μ


You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.


      Ho:μ=63.4Ho:μ=63.4
      Ha:μ<><>


You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=32n=32 with a mean of M=55.8M=55.8 and a standard deviation of SD=18.7SD=18.7.


What is the critical value for this test? (Report answer accurate to three decimal places.)
critical value = ???? TI-84 steps
What is the test statistic for this sample? (Report answer accurate to three decimal places.)
test statistic = ??/TI-84 steps


The test statistic is...?




  • in the critical region

  • not in the critical region







This test statistic leads to a decision to...?




  • reject the null

  • accept the null

  • fail to reject the null







As such, the final conclusion is that...?




  • There is sufficient evidence to warrant rejection of the claim that the population mean is less than 63.4.

  • There is not sufficient evidence to warrant rejection of the claim that the population mean is less than 63.4.

  • The sample data support the claim that the population mean is less than 63.4.

  • There is not sufficient sample evidence to support the claim that the population mean is less than 63.4.




Jun 08, 2022
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