A. Find the FSTAT test statistic B. Find the critical valuesC. What is the p-value A random sample of 15 customers in two different banks were selected and their wait times (in minutes) are given below. Use this data to complete parts (a) through (d).Bank A3.58 3.11 4.43 6.01 0.383.74 4.29 5.51 3.03 5.119.68 5.99 8.06 5.69 8.6410.56 6.665.03 6.514.77 2.343.83 8.18 8.295.565.73Bank BA. H₁: 0²1 = 0²H₁: 0²₁ #0²a. Is there evidence of a difference in the variability of the waiting time between the two banks? (Use α=0.01.)Determine the hypotheses. Choose the correct answer below.OC. Ho: 0²1 20²2H₁:0² <0²3.98 6.14 9.83Compute the FSTAT test statistic.FSTAT=(Round to two decimal places as needed.)6.11COB. Ho: 050₂H₁:0² > 0²2OD. Ho: 0022H₁: 0²₁ = 0²

Let X1 be the Bank A and X2 be the Bank B.Given data for Bank A is 3.58, 3.11, 4.43, 6.01, 0.38,…

Answered: A random sample of 15 customers in two…

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. Develop a hypothesis test that can be used to determine whether the mean annual consumption in Webster City is higher than the national mean. Ho: $21.5 Ha: >21.5 b. What is a point estimate of the difference between mean annual consumption in Webster City and the national mean? (2 decimals) c. At a = 0.01, test for a significant difference by completing the following. Calculate the value of the test statistic (2 decimals). The p-value is Reject the null hypothesis? (4 decimals) Yes v What is your conclusion? Conclude the population mean consumption of milk in Webster City is greater tha
Fifteen randomly selected college students were asked to state the number of hours they slept the night before. The resulting data are: 6 16 7 8 7 796 3 11 9 15 4 7 9 a) Find the mean. b) Find the median. c) Find the standard deviation. d) According to Chebysev's Theorem, at least 75% of the times will fall between what two amounts? Is the theorem accurate for this set of data? Why of Why not? e) Are any of the reported hours "unusually" high? Are any of the reported hours unusually low?
Identify if the quantity reported is a Parameter or a Statistic 1. In a study of Filipino Airlines flights from Japan to the Philippines, 68 flights are randomly selected and the average (mean) arrival time is 9.2 minutes late. 2. A sample of 120 employees of a company is selected, and the average age is found to be 37 years. 3. In a study of 320 babies born at four different hospitals in Baguio, it was found that the average weight at birth was 3.175 kgs. 4. After interviewing all of John's employees, a researcher found that the average time the workers report late for work is 30 minutes. 5. In the same study cited in item 3, it was reported that 57% of the babies were girls. 6. The average amount of time spent in a day by Mr. John's students in their online classes is 4 hrs. and 25 minutes. 7. The average annual family income of all 210 families of a small rural town is Php127,530. 8. The average amount spent on clothing during the Enhanced Community Quarantine (ECQ) period of a…
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5. Interpret the location (how many standard deviations), direction (above or below the mean), and distance (near or far) of the following z-scores: a) -2.00 b) 1.25 c) 3.50 d) -0.34
Calculate the most appropriate measures of central tendency and dispersion for the following variable. Respondents were asked to rank how likely they would support ending Obamacare on a scale ranging from 0, definitely would not support, to 10, would definitely support. Here are their scores: 0, 0, 5, 5, 6, 8, 10, 7, 1, 2, 3, 0, 4, 5, 1, 9, 10, 7, 1, 2, 0, 6, 8
Also need to find the standardized test statistic, decide whether to reject or fail to reject, and interpret the decision in the context of the claim.
Night Owls proportion of MSU students who regularly sleep less than 8 hours each night is less than the value reported by the MSU psychologist. She randomly selects 215 students and asks them, "Do you regularly sleep less than 8 hours each night?" She finds that 90 of the 215 students answered "yes" to the question. A MSU psychologist reports that 45% of MSU students regularly sleep less than 8 hours each night. Cindy believes that the actual
9. Which measures aren’t resistant? (more than one could be correct) a. mean b. median c. IQR d. Standard deviation e. range f. coefficient of correlation
2. Explain the relationship between the population mean ?, the sample mean?̅, and a value of the sample mean ?̅. Which is the population parameter,which is a statistic, which is a point estimate, and which is an estimator?
For the given data below, determine: a) the mean b) the standard deviation c) the variance d) the coefficient of variation e) the 95% confidence interval for the mean Also (f) construct a histogram using a range from 7.5 to 11.5 with intervals of 0.5:8.8, 9.5, 9.8, 9.4, 10, 9.4, 10.1, 9.2, 11.3, 9.4, 10, 10.4, 7.9, 10.4, 9.8, 9.8, 9.5, 8.9, 8.8, 10.6, 10.1, 9.5, 9.6, 10.2, 8.9
D5)

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