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Consider the following hypotheses: H0: μ-360 The population is normally distributed with a population standard deviation of 73. (You may find it useful to reference the appropriate table: z table or t table) a-1. Calculate the value of the test statistic with x = 389 and n = 80, (Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) Test statistic a-2 what is the conclusion at the 10% significance level? Do not reject Ho since the pvalue is greater than the significance levl. Do not reject Ho since the p-value is less than the significance level. OReject Ho since the p-value is greater than the significance level. Reject Ho since the p-value is less than the significance level.a-3. Interpret the results at a 0.10 We cannot conclude that the population mean differs from 360 We conclude that the population mean differs from 360. OWe cannot conclude that the sample mean differs from 360. We conclude that the sample mean differs from 360 b-1. Calculate the value of the test statistic with χ = 335 and n= 80, (Negative value should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) Test statisticb-2. What is the conclusion at the 5% significance level? Reject Ho since the p-value is greater than the significance level. Reject Ho since the p-value is less than the significance level. Do not reject Ho since the p-value is greater than the significance level. Do not reject Ho since the p-value is less than the significance level. b-3. Interpret the results at a 0.05 We conclude that the population mean differs from 360 O We cannot conclude that the population mean differs from 360. We conclude that the sample mean differs from 360 O We cannot conclude that the sample mean differs from 360.

math   Statistics-And-Probability   
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