A hospital wants to determine if the type of treatment for pneumonia is a factor in recovery time? The table below shows the number of days to recovery for several randomly selected pneumonia patients that had various types of treatment. Sent Home With Medicine A Few Hours in the Hospital Overnight Hospital Stay 29 13 11 17 15 15 18 25 16 12 14 16 14 11 19 12 8 14 13 19 17 29 18   Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.01α=0.01. H0: μ1=μ2=μ3H0: μ1=μ2=μ3 H1:H1: At least two of the means differ from each other. For this study, we should use  ANOVA The test-statistic for this data = (Please show your answer to 3 decimal places.) The p-value for this sample = (Please show your answer to 4 decimal places.)

Q: 2. If two normal universes have the same total frequency but the standard deviation of one is k…

A:

Q: Referring to Golf Club example in slides #26-29, using an overall level of significance of 0.01, the…

A: Given information:- α=0.01 Club 1 Club 2 Club 3 254 234 200 263 218 222 241 235 197 237…

Q: The manufacturer of Beanie Baby dolls used quarterly price data for 2012/-2020/V (t = 1, ..., 36)…

A: The level of significance is 0.02.

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A: Solution

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A: Given that  A local college cafeteria has a self-service soft ice cream machine. The cafeteria…

Q: 32. From the following table, you find mode. 43 46 49 52 55 58 Size Frequency 6 13 25 33 29 14 PHO…

A: From the given table we find the mode.

Q: cumulants are m. for Poisson distribution with parameter m, all the

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Q: = a + bt+c₁D₁ + C₂D₂ + c3D3 d quarterly sales data for 2004/2021/V (t = 1, ..., 64) for an appliance…

A: Variable Parameter Se T P-Value Intercept 30 12.8 2.34 0.0224 T 1.5 0.7 2.14 0.0362 D1 10 3…

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Q: You are the Director of Transportation Safety. You are concerned because the average highway speed…

A: Solution-: Given: n=120,μ=60,σ=12.5  We want to find, P(X¯≥62)=?

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Q: Pixieedust Telecommunications, Inc has the following target capital structure, which it considers to…

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Q: 4. Decision Rule (Be sure to include your critical value) 5. Do your calculations 6. Make your…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted...…

Q: 9. Show that the distribution, for which the characteristics function is e, has the density function

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Q: 2. In a certain special education school, a sample of 144 students was chosen and among these, 48…

A: Claim : proportion of ADHD students in the school is not 0.40.

Q: Please graph NEATLY and ACCURATELY the equations represented by the small model above, employing an…

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Q: Trials in an experiment with a polygraph include 96 results that include 23 cases of wrong results…

A: Given X=73 n=96

Q: 14. Letters were received in an office on each of 100 days. Assuming the following data to form a…

A:

Q: I. Determine whether the following collection is a set or not. Justify your answer. Collection…

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Q: According to The National newspaper, more than 80% of adults in the UAE are playing mobile games. In…

A: Solution:  Given information: n= 256 Sample size of adults x= 231 adults play the mobile games…

Q: The National Coffee Association reports that among individuals in the 45 to 55 age, 70% drink…

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Q: A marketing expert for a pasta-making company believes that 48% of pasta lovers prefer lasagna. If 6…

A: Given that Sample size n =25 Favorable cases x =6 Sample proportion p^=x/n =6/25 =0.24

Q: [B] If the population is finite in which sampling is without. replacement, then: p = [P₂ N-n N-I N:…

A: Given that

Q: Assume that you have a sample of n₁ = 8, with the sample mean X₁ = 42, and a sample standard…

A: Assume that you have a sample of n₁ = 8, with the sample mean X1 = 42, and a sample standard…

Q: When a machine is serviced, between 1 and 5 of its parts are replaced. Records indicate that 7% of…

A: From the above information,  Given that, P(X=1)= 0.07 P(X=5)= 0.08 P(X= 4)= 0.12 Lete P(X=2)= a and…

Q: The tuition and fees (in thousands of dollars) for the top 14 universities in a recent year are…

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Q: If n=150 and ˆpp^ (p-hat) = 0.6, construct a 98% Confidence Interval. In order to use technology,…

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Q: Two suppliers manufacture plastic gear used in a laser printer. The impact strength of these gears…

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Q: Remember the formula for the 80% confidence interval of a single proportion(see picture) : what is…

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Q: Q23 In a random sample of 16 mobile devices in UAE, the mean repair cost was 250 Dhs and the…

A: Given that  Sample size n =16 Sample mean =250 Standard deviation =80

Q: The records of a computer retail store show that out of the 25 customers who purchased a desktop…

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Q: An environmental researcher claims that the mean wind speed in Abu Dhabi exceeds 15 km per hour. A…

A: Given that, An environmental researcher claims that the mean wind speed in Abu Dhabi exceeds 15 km…

Q: A statistics class with 60 students were given an examination and the results are shown below. 73 57…

A: Results of 60 students were given, we need to make a frequency distribution table.

Q: If X has a uniform distribution U(0, 1), find the pdf of Y = ex with ndf

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Q: Use the boxplot for radio station B to say whether the data are symmetric or skewed. If the data are…

A: Given the data and box plot for Radio station A and B.  We have to Use the box plot for radio…

Q: The piston diameter of a certain hand pump is 0.4 inch The manager determines that the diameters are…

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Q: . Compute the mean number of accidents per day. Type an integer or a decimal. Do not round.) -…

A: To find the mean for a distribution, use the following formula: μ = ∑x · p(x) The mean for a…

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Q: The accompanying data set lists diastolic blood pressure measurements (mm Hg) of females. All of the…

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Q: Referring to Table 1, the null hypothesis should not be rejected:   Question 4 options:   1)  True…

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Q: Juan is a tricycle driver in Barangay Talamban. He recorded his earnings (in pesos) for the past 15…

A: Note: As per the guidelines, only 1 question can be answered. Kindly, repost with note for other…

Q: According to the following biplot, the most correlated variables in the data set from which we got…

A: Solution: The biplot with respect to first two principal components is given.

Q: 1. Prepare Index Number for 1904 on the basis of 1902 where the following information is given :…

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Q: A newspaper claims that the mean time spent on physical activities by middle school children in UAE…

A: Givensample size(n)=49Mean(x)=26.1standard deviation(s)=10.2

Q: 27. Route Planning Brian needs to visit the pet store, the shopping mall, the local farmers market,…

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Q: Test the claim about the population mean, μ, at the given level of significance using the given…

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Q: Researchers wondered if there was a difference between males and females in regard to some common…

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Q: A sociologist is studying the prevalence of crime in one major city. In a sample of 275 randomly…

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Q: In a quantitative analysis where widowed people suffering with bereavement suffer with a poor…

A: Solution: Given that in a quantitative analysis where widowed people suffering with bereavement…