You wish to test the following claim (Ha) at a significance level of a = 0.10. H.: H1 – 42 = 0 Ha: H1 – 42 > 0 You obtain a sample of size n1 the first population. You obtain a sample of size n2 = 78 with a mean of ¤2 of 82 = 7.2 from the second population. = 17.1 from = 46.7 and a standard deviation 65 with a mean of ¤ = 54.9 and a standard deviation of s1 You will need to determine whether or not to pool so you will use the correct df. What is the critical value for this test? Report answer accurate to three decimal places. critical value =

If a standard deviation is 1.4 away from a mean of 7.2 what is the z score of an x value of 10

You wish to test the following claim (Ha) at a significance level of a = 0.10. H.: µ1 – µ2 = 0 Ha: µ1 – µ2 > 0 You obtain a sample of size nị the first population. You obtain a sample of size of s2 = 54.9 and a standard deviation of s1 = 78 with a mean of 2 65 with a mean of x1 17.1 from 46.7 and a standard deviation n2 7.2 from the second population. You will need to determine whether or not to pool so you will use the correct df. What is the critical value for this test? Report answer accurate to three decimal places. critical value

You wish to test the following claim (HaHa) at a significance level of α=0.05      Ho:μ=59.9      Ha:μ>59.9You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=93n=93 with mean M=62.6M=62.6 and a standard deviation of SD=9.4SD=9.4.What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value = The p-value is... less than (or equal to) αα greater than αα 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 59.9. There is not sufficient evidence to warrant rejection of the claim that the population mean is greater than 59.9. The sample data support the claim that the…

You wish to test the following claim (HaHa) at a significance level of α=0.005α=0.005.       Ho:μ=85.9Ho:μ=85.9       Ha:μ>85.9Ha:μ>85.9 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=6n=6 with mean M=89.6M=89.6 and a standard deviation of SD=9.1SD=9.1. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic =  What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value =

You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.      Ho:μ=58.7Ho:μ=58.7      Ha:μ>58.7Ha:μ>58.7You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=12n=12 with mean M=61.2M=61.2 and a standard deviation of SD=7.8.What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value = The p-value is... less than (or equal to) α greater than α 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 58.7. There is not sufficient evidence to warrant rejection of the claim that the population mean is greater than 58.7. The sample data support the…

You wish to test the following claim (H.) at a significance level of a = 0.001. For the context of this problem, Ha = 42 - 4i where the first data set represents a pre-test and the second data set represents a post-test. H.: Hd = 0 Ha:Ha + 0 You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain pre-test and post-test samples for n = 40 subjects. The average difference (post - pre) is d = 2.8 with a standard deviation of the differences of sa = 19.9. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... O less than (or equal to) a O greater than a This test statistic leads to a decision to... O reject the null O accept the null O fail to reject the null As such, the final conclusion is that... O There is sufficient evidence to warrant rejection…

You wish to test the following claim (HaHa) at a significance level of α=0.01α=0.01.      Ho:μ=81.9      Ha:μ≠81.9You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=12n=12 with mean M=72.6M=72.6 and a standard deviation of SD=7.5SD=7.5.What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value = ______The p-value is... A.) less than (or equal to) αα B.)  greater than α   This p-value leads to a decision to... A.) reject the null B.) accept the null C.) fail to reject the null As such, the final conclusion is that... A.) There is sufficient evidence to warrant rejection of the claim that the population mean is not equal to 81.9. B.) There is not sufficient evidence to warrant rejection of the claim that the population mean is not equal to 81.9. C.) The sample data support the claim that the population mean is not equal to 81.9. D.) There is not sufficient sample evidence to…

You wish to test the following claim (HaHa) at a significance level of α=0.01α=0.01.      Ho:μ=73.1Ho:μ=73.1      Ha:μ>73.1Ha:μ>73.1You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=223n=223 with mean M=74M=74 and a standard deviation of SD=5.2SD=5.2.What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value = The p-value is... less than (or equal to) αα greater than αα 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 means is greater than 73.1. There is not sufficient evidence to warrant rejection of the claim that the population mean is greater than 73.1. The sample data support…

You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.      Ho:μ=67.5Ho:μ=67.5      Ha:μ>67.5Ha:μ>67.5You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=10n=10 with mean M=77.3M=77.3 and a standard deviation of SD=19.4SD=19.4.What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value =