You wish to test the following claim (H.) at a significance level of a=0.05.H, µ = 84.3Ha: > 84.3 (Claim)You believe the population is normally distrbuted, but you do not know the standard deviation. You obtaa sample of size n= 115 with mean T= 88.8 and a standard deviation of s=13.4.a.) What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statisticb.) What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value(use Excel)

We have given that Sample size n= 115 , xbar = 88.8 , standard deviation s=13.4

You wish to test the following claim (H.) at a significance level of a = 0.05. H.: µ = 84.3 Ha:H > 84.3 (Claim) You believe the population is normally distributed, but you do not know the standard deviation. You obta a sample of size n = 115 with mean = 88.8 and a standard deviation of s= 13.4. a.) What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = b.) What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value (use Excel)

You wish to test the following claim (H.) at a significance level of a = 0.05. H.: µ = 84.3 Ha:H > 84.3 (Claim) You believe the population is normally distributed, but you do not know the standard deviation. You obta a sample of size n = 115 with mean = 88.8 and a standard deviation of s= 13.4. a.) What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = b.) What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value (use Excel)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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You wish to test the following claim (H) at a significance level of a = 0.005. Ho: μ = 89.5 Ha:μ > 89.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 118 with mean M = 93.2 and a standard deviation of SD = 15.6. 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 of the claim that the population mean is greater than 89.5. O There is not sufficient evidence to warrant rejection of the claim that the population mean is greater than 89.5. O The sample data support the claim that the population…
You wish to test the following claim (Ha) at a significance level of a = 0.02. H.:µ = 75.8 H.:µ + 75.8 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n 6 with mean M = 58.9 and a standard deviation of SD = 17.2. 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) a greater than a This test statistic leads to a decision to... O reject the null Oaccept the null O fail to reject the null
You wish to test the following claim (Ha) at a significance level of a = 0.002. H.:p = 52.9 Ha:u 52.9 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 29 with mean M = 58.2 and a standard deviation of SD = 12.3. 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
You wish to test the following claim (Ha) at a significance level of a = Ho: :μ = 90.8 Ha : μ + 90.8 You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: 0.002. The p-value is... What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = less than (or equal to) a 111.5 90.6 86.9 89.7 85.6 92.4 92 93.3 104.7 96.1 82.1 90.8 98.1 95.9 98.8 101.9 100.7 95.7 111.5 86.3 102.2 94.6 92.8 83.3 103.3 89.5 99 79.1 98.8 100.7 89.5 95.4 81.3 104.2 93.3 90.8 91 89.3 101.3 91.4 97.5 92.4 98.1 82.7 100.7 95 92.4 88.5 What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = O greater than a 93.3 101.3
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You wish to test the following claim (H) at a significance level of a = 0.001. For the context of this problem, = new old where the first data set represents the rating for an old product and the second data set represents the scores for the new product. Ho: Md = 0 Ha:ld > 0 You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: old new 91.6 63.6 85.3 50 47.7 83.5 71.8 78.7 54 63.3 100.5 55.6 105.8 87.6 101.8 62.3 110 100.7 90.4 67.1 What is the test statistic for this sample? (Report answer accurate to three decimal places.) t = The p-value is ...
I need help obtaining answers using a ti84 calculator, NOT excel. You work for a soft-drink company in the quality control division. You are interested in the standard deviation of one of your production lines as a measure of consistency. The product is intended to have a mean of 12 ounces, and your team would like the standard deviation to be as low as possible. You gather a random sample of 14 containers. Estimate the population standard deviation at a 80% level of confidence. 12.09 12.13 12.11 11.89 11.92 11.84 12.15 11.99 11.84 12.08 12.07 11.85 12.02 11.93 (Data checksum: 167.91) Note: Keep as many decimals as possible while making these calculations. If possible, keep all answers exact by storing answers as variables on your calculator or computer. a) Find the sample standard deviation: b) Find the lower and upper χ2χ2 critical values at 80% confidence:Lower: Upper: c) Report your confidence interval for σσ: ( , )
You wish to test the following claim (H.) at a significance level of a= 0.002. For the context of this problem, = P2-A where the first data set represents a pre-test and the second data set represents a post-test. H. = 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 = 10 subjects. The average difference (post - pre) is d -32.1 with a standard deviation of the differences of sa = 36.7.
You wish to test the following claim (Ha) at a significance level of a = 0.005. Ho: H Ha: µ + 56.3 56.3 You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 69.1 53.2 49.1 83.8 38 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) a O greater than a This test statistic leads to a decision to... O reject the null O accept the null fail to reject the null As such, the final conclusion is that... The sample data support the claim that the population mean is not equal to 56.3. There is not sufficient sample evidence to support the claim that the population mean is not equal to 56.3.
You wish to test the following claim (Ha) at a significance level of a = 0.01. H:u = 76.8 H # 76.8 %3D You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 25 with mean a 79 and a standard deviation of s = 18.7. 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) a greater than a This p-value leads to a decision to... reject the null Uaccept 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 76.8. There is not sufficient evidence to warrant rejection of the claim that the population mean is not equal to 76.8. The sample data support the claim that the population mean is not equal to 76.8. There is not sufficient sample evidence to support the claim that the population mean is not equal to 76.8.
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