Statistics question and answers for July 31, 2023
- Q A genetic experiment involving peas yielded one sample ofoffspring consisting of420green peas and134yellow peas. Use a0.05significance level to test the claim that under the same​circumstances,24%of offspring peas will be yellow....
- Q Each sweat shop worker at a computer factory can put together4.5 computers per hour on average with a standard deviation of 0.8computers. 8 workers are randomly selected to work the...
- Q BlockTreatment1234Treatment MeanTr121232Tr244112.5Tr334323Block Mean2332overall mean = 2.5Consider the randomized block design with 4 blocks and 3treatments given above. What is the value of the Fstatistic for blocks?
- Q For questions 15-20, consider a box with 3 red and 5 blue balls.15. If one ball is drawn at random, what is the probability thatthe color is red? The probability...
- Q Consider the following linear program, which maximizes dailytotal profit for two products, regular (R), and super (S):MAX Z = 50R + 75Ss.t.1.2R + 1.6 S ≤ 600 assembly(hours)0.8R + 0.5...
- Q #14Another type of painted ceramic vessel is calledthree-circle red-on-white ( Mimbres MogollonArchaeology). At four different sites in an archaeologicalregion, the number of such sherds was counted in local dwellingexcavations.Site ISite...
- Q 1.  Find the margin of error for the mean weight ofmedium Antonio’s cheese pizza if a sample of size n =16 produces a sample standard deviation of4.220 g, assuming 95% confidence.Round...
- Q Please state whether effect measure modification, confounding,neither or both is present in each scenario.CrudeStratum SpecificStratum SpecificAnswer1.001.001.002.675.929.923.006.876.93
- Q In a USA Today/Gallup poll, 768 of 1024randomly selected adult Americans stated that a candidate’spositions on the issue of family values are extremely or veryimportant in determining their vote for...
- Q A research team is studying a new pain medication for patientssuffering from fibromyalgia. Patients suffering from chronic painas a result of fibromyalgia were divided into two categories:Treatment and Placebo. Patients...
- Q The following table provides data for 20 samples each of sizefive.Samplex1x2x3x4x514.9604.9464.9504.9564.95824.9584.9274.9354.9404.95034.9714.9294.9654.9524.93844.9404.9824.9704.9534.96054.9644.9504.9534.9624.95664.9694.9514.9554.9664.95474.9604.9444.9574.9484.95184.9694.9494.9634.9524.96294.9844.9284.9604.9434.955104.9704.9344.9614.9404.965114.9754.9594.9624.9714.968124.9454.9774.9504.9694.954134.9764.9644.9704.9684.972144.9704.9544.9644.9594.968154.9824.9624.9684.9754.963164.9614.9434.9504.9494.957174.9804.9704.9754.9784.977184.9754.9684.9714.9694.972194.9774.9664.9694.9734.970204.9754.9674.9694.9724.972Identify out-of-control points. If necessary, recompute thecontrol limits after removing the outliers. What do you conclude?(10 pts) Please answer in...
- Q Sheila's doctor is concerned that she may suffer fromgestational diabetes (high blood glucose levels during pregnancy).There is variation both in the actual glucose level and in theblood test that measures...
- Q Test the following hypotheses and interpret your findings.HypothesisSampleFindingsSampleSizeConfidenceLevelYour TestResultsYourFindingsMean: 7.5Std. Dev.: 1.2Mean: 8.567095%Percent: 86%p = 95%100099%Mean: 125Std. Dev.: 1513550095%Percent: 33%p = 3112099%
- Q The mean number of close friends for the population of peopleliving in the U.S. is 5.7. An investigator predicts that the meannumber of close friends for introverts will be significantlydifferent...
- Q Joan moves into her new apartment and wants to purchase a newcouch. She wants to determine if the average cost of couches atStore 1 is cheaper than Store 2. At...
- Q Epidemiologic case-control studies often report increased riskof an event given exposure, but we know that we can only calculatethe odds ratio in a case-control study as opposed to a riskratio.Is...
- Q SourceDfssmsf stathousing0.8088Wtclass0.06interaction0.3078errortotal4.2133nanana(15 points) If in the previous example, the researchers alsodetermine the weight class (medium and large) for each egg. 3 out 6eggs in each housing system are medium and...
- Q PLEASE BE VERY SPECIFIC AND SHOW EVERY SINGLE STEP INDETAIL, SPECIALLY IF USING R PROGRAM. (I NEED MOREHELP WITH PART D AND E!!!)A bottling company uses a machine to fill...
- Q Please show steps in the calculation. Please make sure youinclude checking conditions for using the CLT.The Human Resources (HR) Department of a certain college hasasked all employees who were employed...
- Q A research group conducted an extensive survey of 3180 wage andsalaried workers on issues ranging from relationships with theirbosses to household chores. The data were gathered throughhour-long telephone interviews with...
- Q A classroom contains 10 students. A student committee of 3(president, vice-president, and treasurer) must be selected. HarryPotter will serve only as president only if either of his friendsRon Weasley or...
- Q Stat212 Statistical II B Spring 2020 Midterm 2 Name:SHOW YOUR WORK TO EARN FULL CREDIT1. (20 points) Susan Sound predicts that students will learnmost effectively with a constant background sound,...
- Q Problem 2) Willy Wonka’s Chocolate Factory produces four typesof chocolate bars: • 30 percent of the chocolate bars are milkchocolate of which 10 percent have a golden ticket, • 15...
- Q Find the t-critical values (tcrit) that form the rejectionregion for a two-tailed test with α = .05 for each of the followingsample sizes.a. N = 10 ________2.262____________b. N = 17...
- Q You wish to test the following claim (HaHa) at a significancelevel of α=0.02α=0.02.Ho:μ1=μ2Ho:μ1=μ2  Ha:μ1≠μ2Ha:μ1≠μ2You believe both populations are normally distributed, but you donot know the standard deviations for either. However, you...
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