Treatments A B C 1 10 9. 8 2 12 6. Blocks 3 18 16 14 4 20 18 18 5 8 7 8 Use a = 0.05 to test for any significant differences. State the null and alternative hypotheses. O Ho: HA = HB = Hc Ha: HA# HB # Hc O Ho: HA# HB # Hc H3: HA = HB = Mc O Hg: At least two of the population means are equal. H: At least two of the population means are different. O H,: Not all the population means are equal. Ha: HA = HB = Hc O Ho: HA = HB = HC H: Not all the population means are equal. Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) p-value = State your conclusion. O Do not reject Ho. There is sufficient evidence to conclude that the means of the three treatments are not equal. Reject Ho. There is sufficient evidence to conclude that the means of the three treatments are not equal. Do not reject Ho. There is not sufficient evidence to conclude that the means of the three treatments are not equal. Reject H.. There is not sufficient evidence to conclude that the means of the three treatments are not equal,

Treatments A B C 1 10 9. 8 2 12 6. Blocks 3 18 16 14 4 20 18 18 5 8 7 8 Use a = 0.05 to test for any significant differences. State the null and alternative hypotheses. O Ho: HA = HB = Hc Ha: HA# HB # Hc O Ho: HA# HB # Hc H3: HA = HB = Mc O Hg: At least two of the population means are equal. H: At least two of the population means are different. O H,: Not all the population means are equal. Ha: HA = HB = Hc O Ho: HA = HB = HC H: Not all the population means are equal. Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) p-value = State your conclusion. O Do not reject Ho. There is sufficient evidence to conclude that the means of the three treatments are not equal. Reject Ho. There is sufficient evidence to conclude that the means of the three treatments are not equal. Do not reject Ho. There is not sufficient evidence to conclude that the means of the three treatments are not equal. Reject H.. There is not sufficient evidence to conclude that the means of the three treatments are not equal,

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Description: TreatmentsA B C1109.82126.Blocks 318161442018185878Use a = 0.05 to test for any significant differences.State the null and alternative hypotheses.O Ho: HA = HB = HcHa: HA# HB # HcO Ho: HA# HB # HcH3: HA = HB = McO Hg: At least two of the population

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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Molly works for a meat producer, and she needs to determine whether containers of ground beef have the correct fat content. She obtains a random sample of 120 containers of ground beef and finds that 84 percent have the correct fat content. Molly then conducts a hypothesis test of H0:p=0.80H0:p=0.80 versus Ha:p≠0.80Ha:p≠0.80 and calculates a test statistic of 1.10 with a pp-value of 0.273. Which of the following best represents the meaning of the pp-value? If the population proportion is 0.84, the probability of observing a sample proportion of 0.80 is 0.273. A If the population proportion is 0.84, the probability of observing a sample proportion of at least 0.04 less than 0.84 is 0.273. B If the population proportion is 0.80, the probability of observing a sample proportion within 0.04 of 0.80 is 0.273. C If the population proportion is 0.80, the probability of observing a sample proportion at least 0.04 greater than 0.80 is 0.273. D If the…
|| Chapter 10 Assignment 1. Given the information below, would you calculate the standard error („) or the estimated standard error (s) M. Population Sample Sample variability Calculate the correct standard error mean mean Or and or mean specify the hypothesis test mean difference difference M1 = 20 nl = 25 s, 2 = 100 %3D %3D M2 = 32 n2 = 36 M=61 n = 49 = 5 M= 82 n= 25 = SS 2. Recent studies have allowed psychologists to establish definite links between specific foods and specific brain functions. For example, lecithin has been shown to increase the concentration of certain brain chemicals that help regulate memory and motor coordination. An experiment was conducted that involves two separate samples of newborn rats. The ten rats in the first sample are given a diet with standard amounts of lecithin. The five rats in the second sample are fed a special diet, which contains almost no lecithin. After 6 months, each rat is tested on a specially designed learning problem that requires both…
A local coach wants to see if training in light rooms or dark rooms impacts athlete performance. With the single team, the coach tries training in different conditions and takes measurements. She ran her analysis in Microsoft Excel and received the following output table. If the P value is less than 0.05, the null hypothesis may be rejected. Based on the data table, what decision should the coach make about the hypothesis? Coach should reject the null hypothesis. Coach should fail to reject the null hypothesis. Coach should accept the null hypothesis. Coach does not have enough information to decide.
Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at the 0.025 significance level. The null and alternative hypothesis would be: Ho: HN S HD Ho:pN 2 PD Ho:PN = PD Ho:UN = HD Ho: PN HD H:PN PD H1: µN Next Question hp
CHALLENGE ACTIVITY 7.1.3: Hypothesis test for a population proportion. 413836.2643748.qx3zqy7 Jump to level 1 An airline company is interested in improving customer satisfaction rate from the 54% currently claimed. The company sponsored a survey of 283 customers and found that 168 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is higher than the claim by the company. What is the test statistic z? Ex: 1.23 What is the p-value? Ex: 0.456 Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a = 0.1? [Select Check Next 2 3 0
The Statistics Games are played by a large number of students across the county. Last year, 32% of Clayton State students participated in the Games. You wonder: “Has the proportion increased this year?”. To find out, you take a random sample of 250 CSU students and ask them if they participated in the Games this year. You find that 38% did. Write the null and alternate hypotheses. A Ho: μ = 0.32 Ha: μ < 0.32 B Ho: μ = 0.32 Ha: μ ≠ 0.32 C Ho: p = 0.32 Ha: p > 0.32 D Ho: p = 0.32 Ha: p < 0.32 E Ho: p = 0.38 Ha: p > 0.38
For each scenario below read the given null and alternative hypotheses statements as well as the initial decision about the null hypothesis. Post a conclusion about the claim in each test. (This means when you post your answer, you do not need to include any statement about the null hypothesis. Only the final conclusion is needed.) 1. The paired values of the Consumer Price Index (CPI) and the cost of subway fare are listed below. Test the claim that there is a linear correlation between the CPI and subway fare? Results Initial Decision - reject the null hypothesis. 2. ResultsP- value = 0.762
K ● ● Part 2 of 4 OC. Ho: μ> 13 µg/g H₁:μ13 μg/g Listed below are the lead concentrations in µg/g measured in different traditional medicines. Use a 0.05 significance level to test the claim that the mean lead concentration for all such medicines is less than 13 µg/g. Assume that the sample is a simple random sample. 3 16.5 3 19.5 5 6 22.5 19.5 2.5 9.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? A. Ho: p=13 μg/g H₁:μ13 μg/g Determine the test statistic. (Round to two decimal places as needed.) iew an example Get more help points x Points: 0 of 1 (en OB. Ho: P=13 µg/g H₁:μ 13 µg/g D. Ho: μ-13 µg/g H₁: μ> 13 μg/g tv Clear all Save MA Check answer W rect:
Based on the scatterplot, describe the association between the two variables. Comment on form, direction, and strength.
Which of the following is the name for the statistical hypothesis that describes an outcome of some change? Type I error Null hypothesis Alternative hypothesis Type II error