Does the average Presbyterian donate more than the averageCatholic in church on Sundays? The 56 randomly observedmembers of the Presbyterian church donated an average of$21 with a standard deviation of $5. The 46 randomlyobserved members of the Catholic church donated anaverage of $16 with a standard deviation of $15. What can beconcluded at the a = 0.01 level of significance?a. For this study, we should useSelect an answerb. The null and alternative hypotheses would be:Ho:Select an answerSelect an answerSelect an answer (please enter a decimal)H₁: Select an answerSelect an answerSelect an answer (Please enter a decimal)c. The test statistic ? ◊=your answer to 3 decimal places.)d. The p-value =4 decimal places.)(please show(Please show your answer to

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Answered: age re average Catholic in church on…

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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A 0.01 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 55 girls in 100 births, so the sample statistic of 1120 results in a z score that is 1 standard deviation above 0. Complete parts (a) through (h) below.Click here to view page 1 of the Normal table. LOADING... Click here to view page 2 of the Normal table. LOADING...Question content area bottomPart 1a. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below.Part 7g. What are the critical value(s)?The critical value(s) is/are enter your response here. (Round to three decimal places as needed. Use a comma to separate answers as needed.)Part 8h. What is the area of the critical region?The area is enter your response here. (Round to two decimal places as needed.)
Number 6 Please
The average salary in this city is $44,700. Is the average less for single people? 47 randomly selected single people who were surveyed had an average salary of $41,310 and a standard deviation of $12,120. What can be concluded at the = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: ? ◇ Select an answer ? ◇ Select an answer c. The test statistic? = (please show (Please show your answer your answer to 3 decimal places.) d. The p-value = to 4 decimal places.) e. The p-value is ? ✨ a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... The data suggest that the sample mean is not significantly less than 44,700 at a = 0.05, so there is statistically insignificant evidence to conclude that the sample mean salary for singles is less than 41,310. The data suggest that the populaton mean is significantly less than 44,700 at a = 0.05, so there is statistically…
The mean number of eggs per person eaten in the United States is 244. Do college students eat a different number of eggs than the average American? The 60 college students surveyed averaged 255 eggs per person and their standard deviation was 64.4. What can be concluded at the a = 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? v Select an answer v Н: Select an answer V c. The test statistic ? v = (please show your answer to 3 decimal places.) d. The p-value (Please show your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an answer g. Thus, the final conclusion is that ... the null hypothesis. O The data suggest that the populaton mean is significantly different from 244 at a = 0.10, so there is statistically significant evidence to conclude that the population mean number of eggs consumed by college students per year is different from 244. O The data suggest…
Which of the following is the correct p-value for this test?
Write your answers for this question on paper and then upload: From sampling 40 taxicab rides in New York City, a survey found that the mean cost of the taxi fare from the sample was $12.04. If the population standard deviation is $8.36, test the claim that the mean cost of a taxicab ride in New York City is less than $15.00. (a) State the null and alternative hypothesis. (b) By hand, find the test statistic z-score. Round to two decimal places. (c) Sketch the sampling distribution labeling the test statistic found in part (b) and compare it to the critical value z-score found in the previous question to make a decision to either reject or fail to reject the null hypothesis. Upload Choose a File
You may need to use the appropriate technology to answer this question. Which is cheaper: eating out or dining in? The mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04.† A sample of 100 neighborhood restaurants showed a mean price of $12.73 and a standard deviation of $2 for a comparable restaurant meal. (a) Develop appropriate hypotheses for a test to determine whether the sample data support the conclusion that the mean cost of a restaurant meal is less than fixing a comparable meal at home. H0: μ ≤ 13.04 Ha: μ > 13.04 H0: μ > 13.04 Ha: μ ≤ 13.04 H0: μ ≥ 13.04 Ha: μ < 13.04 H0: μ = 13.04 Ha: μ ≠ 13.04 H0: μ < 13.04 Ha: μ ≥ 13.04 (b) Using the sample from the 100 restaurants, what is the test statistic? Using the sample from the 100 restaurants, what is the p-value? (Round your answer to four decimal places.) p-value = (c) At α = 0.05, what is your conclusion? Do not reject H0. We can conclude that the cost of a…
According to the College Board, scores on the math section of the SAT Reasoning college entrance test for the class of 2010 had a mean of 516 and a standard deviation of 116. Assume that they are roughly normal.One of the quartiles of the scores from the math section of the SAT Reasoning test is 438. The other quartile is _______.
A transportation agency would like to compare the average amount of time it takes passengers to pass through airport security at two locations during peak times. The following table summarizes in minutes the results of two random samples from each airport. Use the table to complete parts a through c. Sample mean Sample standard deviation Sample size Location 1 Location 2 14.5 11.6 5.9 4.6 22 Determine the null and alternative hypotheses for the test. Hoi Hi-H2 S 0 H₁ H₁ H₂ > 0 Calculate the appropriate test statistic and interpret the result. The test statistic is (Round to two decimal places as needed.) Because the test statistic 29 The critical value(s) is (are). (Round to two decimal places as needed. Use a comma to separate answers as needed.) b. Identify the p-value from part a and interpret the result. The p-value is (Round to three decimal places as needed.) Interpret the result. Choose the correct answer below. the null hypothesis. O A. Since the p-value is less than the…
Can you help me determine the P-value for the following hypothesis test?
a. interpret the corresponding 95% confidence intervals for both Birth weight and Age. b. What is the predicted average SBP of an infant born with birth weight 8lbs (128oz) measured at 3 days old? c. Calculate the Pearson correlation between Age and Birth weight, and test if this correlation is significant at the 0.05 level. Does this answer surprise you, why or why not?
Tina catches a 14-pound bass. She does not know the population mean or standard deviation. So she takes a sample of five friends and they say the last bass they caught was 9, 12, 13, 10, and 10 pounds. Find the t and calculate a 95% (α = .05) confidence interval.

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