helps patients attain a lower plasma glucose level than an insulin pump? Follow 32 adolescent patients. 12 Is there evidence that, on average, a bionic pancreas ROBUSTNESS OF t PROCEDURES the four-step process.
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- Department secretary has found the average number of complaints per week over the past few years is 1.4. However after a change in major requirements, the complaints over last 8 weeks averaged M = 3.0, with SS = 16. Has there been a significant increase in the number of student complaints over the past 8 weeks? What kind of t-test?______________ Test using alpha = .05 and write an APA style conclusion. 1) H0: H1: 2) Critical value: one or two-tailed? df= __ alpha = .05 __________ 3) Calculations: SS given so start w/ variance s2 SM t = M –µ SM 4) Is there a difference? Reject the Null? Write a sentence with APA stats.An analyst wants to know whether there is any significant difference in themeasurement results produced by alternative method compared areference method in determination of the concentration of vitamin C invegetables. He analysed eight different test materials using the bothmethods and the results are shown below:ethod Validation2Test material (mg Vitamin C/100 g)Method A B C D E F G HReference 291 397 379 233 365 291 289 189Alternative 272 403 389 224 368 282 286 201Difference 19 -6 -10 9 -3 9 3 -12Test if the alternative method provides compatible measurement results atsignificant level of 0.05. Given that ?? = 2.365.(? = 0.296)The integral part of performing arts is ‘Jumping’ that requires strong muscular strength and elasticity of dancers. At what height a dancer vertically jump is one of the measures of dancer’s leg power, and however, it also depends on the level of expertise and amount of training s/he received. A research study conducted among Malaysian undergraduate student martial arts athletes (29 male and 25 female) reports that male arts athletes jump twenty-six percentage higher than their female counterparts. Assume that 90% of male athletes exceed the jump height of female counterparts. You are going to randomly select four male arts athletes and test them whether their vertical jump height exceed (success) or not exceed (failure) twenty-six percentage of the vertical height jump of female martial arts athletes. Let x represents the number of four male athletes who exceed twenty-six percentage of the standard vertical height jump of female athletes. Explain why this variable is binomial random…
- Problem 10: A random variable X has a characteristic function x(w) = j (2w + w²). If you are given that fox2fx (x)dx = 9. Find the variance of the RV Y = 2x-2. Find the variance of YProcess 1 Process 2 Process 3 60 45 50 58 40 52 55 35 56 62 34 47 68 52 48 52 49 52 64 48 51 66 39 50 One-way ANOVA: Process 1, Process 2, Process 3 Source DF ss MS F P Treatment 2 1282.8 Error 21 578.9 Total 23 1861.7 A health food company wants to determine the best process for blanching dark green vegetable material so it can be added to other food products without losing vitamin A. They are examining three different blanching processes to determine which is best in terms of vitamin A retention (mg/100mg). The data collected and partial ANOVA results appears above. The F-statistic value is F = 27.57. O F = 2.215. O F = 23.267. F = 3.22.A magazine claims that the brand of shoe you buy can have a major impact on how fast you run. A researcher decides to test this assertion and gathers a group of seven (N=7) runners and asks each of them to run a mile wearing each of the four different types of shoes (Nike, Adidas, Asics, and Brooks) and records how quickly the runners complete their miles wearing each type of shoe. Conduct a within subjects (AKA repeated measures) ANOVA, at alpha = 0.05, to see if the runners mile times are significantly different depending on the type of shoe they wear. Identify the correct alternative hypothesis A. At least two mean mile times are different from at least two other mean mile times between the four different types of shoes being tested B. There is a significant difference in mean mile time between the four different types of shoes being tested C. At least one mean mile time is different from at least two other mean mile times between the four different types of shoes being…
- What is null and alternative hypothesis for this case? The U.S. Department of Health monitors fishing waters, to determine if the bacteria count has risen above a maximum safe level of 70.Does training in stress reduction make a difference for student success? 15 students received training (M1= 88, SS1= 400) and 15 students did not (M2= 82, SS2= 440). Test using α = .05 s(M1-M2) =al Exam tps://ezto.mher nework: Chapte ections 84 O You received partial credit in the previous attempt. Check my work View previous attempt Concerns about climate change and CO2 reduction have initiated the commercial production of blends of biodiesel (e.g., from renewable sources) and petrodiesel (from fossil fuel). Random samples of 41 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. (a) If the true mean is .9220 with a standard deviation of 0.0060, within what interval will 90 percent of the sample means fall? (Round your answers to 4 decimal places.) The interval is from Ito (b) If the true mean is .9220 with a standard deviation of 0.0060, what is the sampling distribution of X ? 1. Exactly normal with u=.9220 and o = 0.0060. 2. Approximately normal with µ = .9220 and o = 0.0060. 3. Exactly normal with u=.9220 and o = 0.0060 /41 4. Approximately normal with µ= .9220 and o = 0.0060 //41. Retake Use Photo
- The drug Tamiflu (oseltamivir phosphate) is used to attack the influenza virus to reduce symptoms for patients. The manufacturer label states that 6% of patients will develop nausea as a side effect. Patients report that nausea occurs at a higher rate than the label indicates. In clinical trials, among 724 patients treated with Tamiflu, 72 experienced nausea as a side effect. Using an α=0.05 level of significance, complete the following steps to determine whether the rate of developing nausea is higher than the manufacturer’s label. (NOTE: All areas are reported to four decimal places; all z-scores are reported to two decimal places except the two special cases listed at the bottom of the table.) Insert the following values from the question: p = % = q = x = n = p̂ = α = Set up the hypothesis statements (no spaces between characters): H0: H1: Based on the hypothesis statements, will you use α or (1 - α) to solve for zcrit? What is the value of zcrit? Use the…If a treatment is expected to decrease scores in a population with µ= 30, then the alternative hypothesis is µ ≤ 30. True or false?According to the USDA World Agricultural Supply and Demand Estimates report found that Americans consumed an average of 279 eggs per person in 2019. The farmers at Eggcellent Acres believes the number of eggs consumed by Americans has increased over the last few years. Based on the Minitab printout below, test to determine if the average number of eggs consumed by Americans has increased. Test at the 0.10 level of significance. (Show all six steps.) One-Sample T: Eggs Consumed Descriptive Statistics N Mean StRex SE Mean 78 285.00 22.59 2.56 i population mean of Sample Test Null hypothesis Ho: M = 279 Alternative hypothesis Hi: u > 279 T-Value P-Value 2.35 0.011 95% Lower Bound for y 280.74