FOLLOW THE INSTRUCTIONS AND ANSWER COMPLETELY AND TYPEWRITTEN FOR UPVOTE.NOT FOLLOWING MY INSTRUCTIONS GETS DOWNVOTE Solve the following problems following the steps in hypothesis testing.2) A health clinic diagnosed 10 of its patients with high cholesterol level. He then lecturedthem on the dangers of this condition and suggested them a new diet plan. The tablebelow shows the cholesterol reading before and after the lecture.Patient12345678910Before300293304217275250235211285216After295195220198200235105218200220Assuming that the difference is normally distributed, can we say that the lecture and thenew diet plan have reduced the cholesterol level of the patients? Use x = 0.05 level ofsignificance.2

Given information: Sample size (n)=10 Level of significance (α)=0.05 The below table shows the…

Answered: Solve the following problems following…

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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Solve the problems by following the steps and procedures in hypothesis testing. PRACTICE QUESTION
1.Respond to the following questions in accordance with characteristics of hypothesis testing. a.If you want to see if the average gestational length among African American women is different from the national average of 39 weeks, how would you set up the null and two-sided alternative hypotheses? b.If you want to see if the average gestational length among African American women is less than the national average of 39 weeks, how would you set up the null and one-sided alternative hypotheses? c.In other words, what is a P-value? d.If α is 0.10 and you find a P-value of 0.08 in your hypothesis test, what would you conclude? e.How do you calculate the standard error of ?̅?
Briefly discuss the five steps in the hypothesis testing procedure.
You are working for the South Tahoe Tourist Bureau and are interested in determining if there is a relationship between the casino people frequent and the type of gambling that they do at the casino Table Games Slots Sports Harrah’s 50 60 12 Hard Rock 18 22 6 MontBleu 33 29 20 Harvey’s 41 39 20 a. State the null and alternative hypotheses. b. State which hypothesis test should be used. Calculate the p-Value and state the command you entered in the calculator. c. State the conclusion in the context of the problem.
A USA Today article claims that the proportion of people who believe global warming is a serious issue is 0.67, but given the number of people you've talked to about this same issue, you believe it is less than 0.67. If you conduct a hypothesis test, what will the null and alternative hypotheses be? Question 1 options: 1) HO: p ≤ 0.67HA: p > 0.67 2) HO: p = 0.67HA: p ≠ 0.67 3) HO: p < 0.67HA: p ≥ 0.67 4) HO: p ≥ 0.67HA: p < 0.67 5) HO: p > 0.67HA: p ≤ 0.67
2. In each of the following situations, state whether it is a correctly stated hypothesis testing problem and why. Please show detailed and complete solution.
After running a hypothesis test comparing the number of jelly beans that a sample of children eat over the course of the year with the number of jelly beans children eat in the overall population over the course of the year, I conclude that the sample of children ate significantly more jelly beans than the overall population of children. If the sample of children actually ate the same number of jelly beans as the overall population, my conclusion is an example of _______. a. sampling error b. a Type II error c. a Type I error d. a valid conclusion
Include all 8 steps of Hypothesis Testing for each of the following problems 6. Experts in coffee-making were polled to determine their preferences for the following three types of coffee. The data indicate percent of experts who selected that coffee type as the best. Kona Gold Jamaica Blue Sumatra Black 25% 60% 15% A researcher wanted to know if the preferences of consumers corresponded to or differed from the preferences of the experts. So, 200 consumers tasted all three types of coffee and selected the one they preferred. The data below indicate the number of the 200 tasters who preferred that type of coffee. Conduct an appropriate statistical test using an alpha level of .05. Kona Gold Jamaica Blue Sumatra Black 50 90 60
A dental assistant is interested in the proportion of patients that need a root canal. Let the proportion of patients that need a root canal be p. If the dental assistant wanted to know if the proportion of patients that need a root canal is more than 20%, what are the null and alternative hypotheses? Select the correct answer below: H0: p=0.20; Ha: p<0.20 H0: p>0.20; Ha: p=0.20 H0: p=0.20; Ha: p>0.20 H0: μ=0.20; Ha: μ>0.20
When using the 4 step hypothesis testing method, the alternative hypothesis __________? a. is symbolized by: H1 b. is symbolized by: H0 c. states that the two population means are equal d. must be directional in nature (must be a one tailed test)
1. A researcher wants to see if people in California were less likely to eat turkey on Thanksgiving than people in Texas. She surveyed 92 people in California, of whom 47 said they ate turkey, while 65 of 81 Texans said they ate turkey. Can we say that the proportion of people in California who ate turkey is significantly lower than Texas? what would be our hypotheses? Group of answer choices Ho: μ1 = μ2, Ha: μ1 < μ2 Ho: μ1 = μ2, Ha: μ1 ≠ μ2 Ho: p1 = p2, Ha: p1 < p2 Ho: p1 = p2, Ha: p1 ≠ p2
1. Determine whether each of the following is a null or an alternative hypothesis: -Drinking coffee daily does not affect heart attack risk -The average weight of two dogs is the same as the average weight of three cats. -The number of voters that are in favor for Candidate -A is higher than the number of voters for Candidate B.-The average price of meat in Pampanga is lower during summer than in rainy season. -A new teaching method is believed to be effective than the old teaching method.

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