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ECON 3789 Assignment 2 Name: 4. Diets. A dietician wants to see if there is any...
a dietician wants to see if there is any difference in the effectiveness of three diets....
a dietician wants to see if there is any difference in the effectiveness of three diets. eighteen people, comprising a sample, were randomly assigned to three diets. below you are given the total amount of weight lost in a month by each person. Diet A 14,18,20,12,20,18 Diet B 12, 10,22,12,16,12 Diet C 25, 32, 18,14,17, 14. using the excel anova table and at a 1% significance, test to see if there is a significant difference in the average effectiveness of...
ECON 3789 Assignment 2 Name: 3. Test scores. A test on world history was given to a group of indi...
ECON 3789 Assignment 2 Name: 3. Test scores. A test on world history was given to a group of individuals before and also after a film on the history of the world was presented. The results are given in the Assignment 2 Excel data file under Test Scores. We want to determine if the film significantly increased the test scores. Conduct the appropriate hypothesis test, using a 5% alpha level (let the difference be d after-before). Step 1: Hypotheses Step...
Your name Spring 2019/ECON 3789/Assignment 1 n:7 ANOVA Source MS lue .0103 Regression 2,133.3333 H 1...
Your name Spring 2019/ECON 3789/Assignment 1 n:7 ANOVA Source MS lue .0103 Regression 2,133.3333 H 1 2,133.3333 16.00 Residual 666.6667 (n)5 133.3333 n- Regression output b Confidence interral Variables Coefficients std error tdf 3)p-value 9596 lower 9596 upper Intercept 63.3333 7.9682 7.948 .0005 42.8505 83.8162 Advertising 6.6667 1.6667 4.000 .0103 Problem 4. A local grocery store wants to predict its daily sales in dollars. The manager believes that the amount of newspaper advertising significantly affects sales. She randomly selects 7...
The NIH wants to compare the mean weight loss for five different diets. They measure the...
The NIH wants to compare the mean weight loss for five different diets. They measure the weight loss (in pounds) of 5 men F25 assigned to each of the diets for one month. The resulting data set is below. Use this file: Assignment 9q3 data FOR R a) Which of the following is NOT an assumption that should be checked before performing an ANOVA? 1 Pounds Diet 1.7 0.7 0.8 0.6 0.1 1.2 1.6 1.5 . The average weight loss...
Want to know the steps for these questions, please? A dietitian wanted to test three different diets to find out whether or not the mean weight loss for each of these diets is the same. He randomly selected 15 overweight persons, randomly divided them int
Want to know the steps for these questions, please?Use the following information for questions 33 – 42.A dietitian wanted to test three different diets to find out whether or not the mean weight loss for each of these diets is the same. He randomly selected 15 overweight persons, randomly divided them into three groups, and put each group on one of the three diets. The table shown below records the weights lost by these persons after being on these diets...
CCSF Introductory Statistics Econ. 5 Chapter 10 Practice Assignment Name: Harry's Hamburgers claims that the residents...
CCSF Introductory Statistics Econ. 5 Chapter 10 Practice Assignment Name: Harry's Hamburgers claims that the residents of Harryville eat at the hamburger chain an average of exacty 18 6mes per year. You took a sample of 48 residents of Harryvile and found that the sample mean was 17. The sample standard deviation was 4.5. You want to test to see if Harry's claim can be dasputed with a significance level o o.05 1. For each number in with that number...
QUESTION 3 a) Researchers want to test the effect of three different diets on the weight...
QUESTION 3 a) Researchers want to test the effect of three different diets on the weight gain in 2 week- Diet 2 16 old lambs. The following table records the weight gain by the lambs. Diet 3 15 10 17 Diet 1 16 21 18 At the 0.05 level of significance, assess that there is a difference in the weight gain for each of the diet. (16 marks) b) Ten plots, each 10.4 meters, were randomly chosen in a large...
Question 4 2 pts What is the basic shape of the x2 - distribution? Skewed to...
Question 4 2 pts What is the basic shape of the x2 - distribution? Skewed to the right Skewed to the left Bell-shaped O Uniform Question 5 4 pts A survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 97% confidence interval for the true proportion of all voters in the state who favor approval. (Round to three decimal places) ** Feel free to use calculator <p When 12...
STAT 202 Assignment 3 A Swedish study used 1360 patients who had suffered from a stroke....
STAT 202 Assignment 3 A Swedish study used 1360 patients who had suffered from a stroke. The study randomly assigned each subject to an aspirin treatment or a placebo treatment. The contingency table shows the results of the study, where X is the number of deaths due to heart attack during a follow-up period of about 3 years. Sample 1 received the placebo and sample 2 received aspirin. 1. Group Placebo Aspirin 38 18 684 676 Find a 95% confidence...
Practice Statistic Final for Spring 201 9 A Name: Do 1, 4, 5, 6,7 Or 2, 3, 5, 6, 7 ONE PROPORTION rowning deaths of children attributed to beaches is given as 0.25. wring deaths of children...
Practice Statistic Final for Spring 201 9 A Name: Do 1, 4, 5, 6,7 Or 2, 3, 5, 6, 7 ONE PROPORTION rowning deaths of children attributed to beaches is given as 0.25. wring deaths of children has 30% attributed to beaches. 3. The proportion of dro Test the claim that drowning deaths of children attributed to b. Give a 95% Confidence Interval and the EBP. Hypothesis Ho 5 points. 3 points На: p-value Conclusion 6 points b. Give a...
ECON 3789 Assignment 2 Name: 3. Test scores. A test on world history was given to a group of individuals before and also after a film on the history of the world was presented. The results are given in the Assignment 2 Excel data file under Test Scores. We want to determine if the film significantly increased the test scores. Conduct the appropriate hypothesis test, using a 5% alpha level (let the difference be d after-before). Step 1: Hypotheses Step...
Your name Spring 2019/ECON 3789/Assignment 1 n:7 ANOVA Source MS lue .0103 Regression 2,133.3333 H 1 2,133.3333 16.00 Residual 666.6667 (n)5 133.3333 n- Regression output b Confidence interral Variables Coefficients std error tdf 3)p-value 9596 lower 9596 upper Intercept 63.3333 7.9682 7.948 .0005 42.8505 83.8162 Advertising 6.6667 1.6667 4.000 .0103 Problem 4. A local grocery store wants to predict its daily sales in dollars. The manager believes that the amount of newspaper advertising significantly affects sales. She randomly selects 7...
The NIH wants to compare the mean weight loss for five different diets. They measure the weight loss (in pounds) of 5 men F25 assigned to each of the diets for one month. The resulting data set is below. Use this file: Assignment 9q3 data FOR R a) Which of the following is NOT an assumption that should be checked before performing an ANOVA? 1 Pounds Diet 1.7 0.7 0.8 0.6 0.1 1.2 1.6 1.5 . The average weight loss...
CCSF Introductory Statistics Econ. 5 Chapter 10 Practice Assignment Name: Harry's Hamburgers claims that the residents of Harryville eat at the hamburger chain an average of exacty 18 6mes per year. You took a sample of 48 residents of Harryvile and found that the sample mean was 17. The sample standard deviation was 4.5. You want to test to see if Harry's claim can be dasputed with a significance level o o.05 1. For each number in with that number...
QUESTION 3 a) Researchers want to test the effect of three different diets on the weight gain in 2 week- Diet 2 16 old lambs. The following table records the weight gain by the lambs. Diet 3 15 10 17 Diet 1 16 21 18 At the 0.05 level of significance, assess that there is a difference in the weight gain for each of the diet. (16 marks) b) Ten plots, each 10.4 meters, were randomly chosen in a large...
Question 4 2 pts What is the basic shape of the x2 - distribution? Skewed to the right Skewed to the left Bell-shaped O Uniform Question 5 4 pts A survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 97% confidence interval for the true proportion of all voters in the state who favor approval. (Round to three decimal places) ** Feel free to use calculator <p When 12...
STAT 202 Assignment 3 A Swedish study used 1360 patients who had suffered from a stroke. The study randomly assigned each subject to an aspirin treatment or a placebo treatment. The contingency table shows the results of the study, where X is the number of deaths due to heart attack during a follow-up period of about 3 years. Sample 1 received the placebo and sample 2 received aspirin. 1. Group Placebo Aspirin 38 18 684 676 Find a 95% confidence...
Practice Statistic Final for Spring 201 9 A Name: Do 1, 4, 5, 6,7 Or 2, 3, 5, 6, 7 ONE PROPORTION rowning deaths of children attributed to beaches is given as 0.25. wring deaths of children has 30% attributed to beaches. 3. The proportion of dro Test the claim that drowning deaths of children attributed to b. Give a 95% Confidence Interval and the EBP. Hypothesis Ho 5 points. 3 points На: p-value Conclusion 6 points b. Give a...
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