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 greater than 54.8. There is not sufficient evidence to warrant rejection of the claim that the population mean is greater than 54.8. The sample data support the claim that the population mean is greater than 54.8. There is not sufficient sample evidence to support the claim that the population mean is greater than 54.8.
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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 not equal to 52.2. There is not sufficient evidence to warrant rejection of the claim that the population mean is not equal to 52.2. The sample data support the claim that the population mean is not equal to 52.2. There is not sufficient sample evidence to support the claim that the population mean is not equal to 52.2.
Adi S.
As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the population mean is greater than 76.6. There is not sufficient evidence to warrant rejection of the claim that the population mean is greater than 76.6. The sample data support the claim that the population mean is greater than 76.6. There is not sufficient sample evidence to support the claim that the population mean is greater than 76.6.
Sanchit J.
You wish to test the following claim at a significance level of α=0.005. H0: μ = 85.5 H1: μ < 85.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size 81 with a mean of 79.5 and a standard deviation of 14.1. What is the test statistic for this sample? (Report answer accurate to 3 decimal places.) What is the p-value for this sample? (Report answer accurate to 4 decimal places.) 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 conclude that the population mean is equal to 85.5. - there is not sufficient evidence to conclude that the population mean is equal to 85.5. - there is sufficient evidence to conclude that the population mean is less than 85.5. - there is not sufficient evidence to conclude that the population mean is less than 85.5.
Sheryl E.
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