Statistics question and answers for September 02, 2023
- Q Please no cursive Please and thank youIn Lesson Eleven you've seen how to use chi-square tests toanswer research questions relevant to those statistical analysisprocedures. Respond to the following to demonstrate...
- Q In a class students were asked to report their gender andwhether they had ever been in a car accident. Results are shown inthe following table:Ever had a car accident?GenderYesNoMale1010Female524We want...
- Q The bookstore sells promotional booklets. You can buy thebooklets from your supplier in bundles of one dozen each. Eachbooklet in the bundle costs $65, and will sell for $90. Bookletsunsold...
- Q Scatterplot of daily cycling distances and type of climb: Everysummer, the touring company America by Bicycle conducts the “CrossCountry Challenge,” a 7-week bicycle journey across the UnitedStates from San Francisco,...
- Q What are chi distributions, how do we use them, when do we usethem, and why are they important?
- Q Intro Discussion and Questions- Regression and Correlation:How does correlation analysis differ from regression analysis?What are the goals of each?What does the correlation coefficient r measure? Be specific.What values can it...
- Q Suppose N = 10 and r = 3.Compute the hypergeometric probabilities for the followingvalues of n and x. (Round your answers to fourdecimal places.)n = 3, x = 3n =...
- Q On their farm, the Friendly family grows apples that theyharvest each fall and make into three products—apple butter,applesauce, and apple jelly. They sell these three items at severallocal grocery stores,...
- Q Let's try putting the CLT (Central Limit Theorem) to practice.In a study of bumblebee bats, one of the world’s smallest mammals,the weights have a mean of 2.0 grams and a...
- Q You would like to study the height of students at youruniversity. Suppose the average for all university students is 67inches with a SD of 18 inches, and that you take...
- Q 9)Test the claim that ?2< 44.8 if n = 28, s2 = 28, and ? = 0.10. Assume thatthe population is normallydistributed. Identify the claim, state the null and alternativehypotheses,...
- Q Question 2: For each of the following data sets, classify intothe following, and give a brief explanation for each choice:i. Quantitative or Qualitativeii. Discrete or Continuousiii. Nominal, Ordinal, Interval, or...
- Q Evaluate and provide examples of the differences between usingthe general addition rule and conditional probability. In whatsituations are the approaches most applicable? Provide an exampleof appropriate use of each approach.
- Q The SAT and the ACT are the two major standardized tests thatcolleges use to evaluate candidates. Most students take just one ofthese tests. However, some students take both. The data...
- Q Do you want to own your own candy store? Wow! With some interestin running your own business and a decent credit rating, you canprobably get a bank loan on startup...
- Q Personnel in a consumer testing laboratory are evaluating theabsorbency of paper towels. They wish to compare a set of Walmartgeneric brand towels to similar group of BOUNTY name brand towels.For...
- Q Two machines are used for filling glass bottles with asoft-drink beverage. The filling processes have known standarddeviations s1=0.010 liter and s2=0.015 liter, respectively. Arandom sample of n1=25 bottles from machine...
- Q A BLSlabor market survey of two households has gathered the followingdata:Household 1: Candy worked 20 hours last week setting up herinternet shopping business. The rest of the week she completedapplication...
- Q How long did real cowboys live? One answer may be found in thebook The Last Cowboys by Connie Brooks (University of New MexicoPress). This delightful book presents a thoughtful sociologicalstudy...
- Q A study of reading comprehension in children compared three methods of instruction. The three methods of instruction are called Basal, DRTA, and Strategies. As is common in such studies, several...
- Q A homeowner wants to purchase multiple electric pumps andoperate them in parallel to ensure that she can handle any basementflooding that occurs. A single electric pump is enough to handleany...
- Q Q6 The weight of adults in USA is normally distributed with amean of 172 pounds and a standard deviation of 29 pounds. What isthe probability that a single adult will...
- Q An investment analyst prepares thefollowing distribution of the prices of two equity stocks, A and B,she expects to see at the end of the coming financial year in eachof five...
- Q consider a standard deck of playing cards... 52 cards, 4 suitsof 13 cards each, 3 cards of each suit are face cards, 2 suits areblack (clubs and spades) and 2...
- Q A study was conducted to determine the proportion of people whodream in black and white instead of color. Among 309 people overthe age of? 55, 76 dream in black and?...
- Q Aresearcher conducts a hypothesis test and concludes that hishypothesis is correct. Explain why this conclusion is never anappropriate decision in hypothesis testing.
- Q SUMMARY OUTPUTRegression StatisticsMultiple R0.396235R Square0.157002Adjusted R Square0.156262Standard Error18.42647Observations1142ANOVAdfSSMSFSignificance FRegression172088.7172088.71212.31613.12E-44Residual1140387069.6339.5348Total1141459158.4CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%Intercept26.359170.80316332.81927.4E-16724.7833327.9350124.7833327.93501X Variable 10.0002131.46E-0514.571073.12E-440.0001840.0002420.0001840.000242a. Write the reqression equation.Discuss the statistical significance of the model using theappropriate regression...
- Q For Exercises 49–52, identify the independent and dependentvariables for each study.49.A study was conducted to determine ifcrocodiles raised in captivity (i.e., in a zoo) grew faster thancrocodiles living in the...
- Q Answer & show workandswer and show workanswer n show workUsing a sample of 20 people, the testing agency found that 14 ofthem had better protection than that provided by the...
- Q The building specifications in a certain city require that thesewer pipe used in residential areas have a mean breaking strengthof more than 2500 pounds per lineal foot. A manufacturer who...
- Q In a certain city, 30% of the families have a MasterCard, 20%have an American Express card, and 25% have a Visa card. Eightpercent of the families have both a MasterCard...
- Q The weights for newborn babies is approximatelynormally distributed with a mean of 6.4 pounds and a standarddeviation of 1.4 pounds.Consider a group of 1100 newborn babies:1. How many would you...
- Q Consider the following data, which represent bicycle tirepressures (in psi) for new “road bicycle” wheels shipped toregional bicycle shops.87, 90, 135, 120, 110, 100, 101, 140, 130, 137, 91, 98,...
- Q Determine whether the following should be classified as simplerandom, systematic, convenience, stratified, or clustersampling. ? SimpleRandom Systematic Convenience Stratified Cluster 1. Every student in two different 8:00classes on Tech's campus is selected to complete a survey ? SimpleRandom Systematic Convenience Stratified Cluster 2. 50...
- Q Suppose you currently have a portfolio of three stocks, A, B,and C. You own 500 shares of A, 300 of B, and 1000 of C. Thecurrent share prices are $42.76,...
- Q what is t critical value,for onetailed and two tailed withexplanationfor n=49, and 0.05 significance level
- Q The distribution of total body protein in healthy adult men isapproximately Normal with mean 12.3 kg and standard deviation 0.1kg. Reference: Ref 13-9 If you take a random sample of...
- Q Reviewing the Three CausalCriteria1. Why can’t a simple bivariate correlational study meet allthree criteria for establishing causation?Establishing Temporal Precedence with LongitudinalDesigns1. Why is a longitudinal design considered a multivariatedesign?2. What...
- Q please no cursiveLesson Twelve you've seen how to use F-Tests andAnalysis of Variance to answer research questions relevant to thosestatistical analysis procedures. Respond to the following todemonstrate your grasp of...
- Q In the interest of detecting the few children remaining whobelieve in Santa Claus, you give the latest test for “Belief inSanta Claus” from Canadian Living magazine to your little brother.According...
- Q In order to gain information on the required stocking levels ofhospital resources, a study was conducted into the usage of latexgloves by hospital employees. Previous orders worked on the beliefthat...
- Q To examine the work environment on attitude toward work, anindustrial hygienist randomly assigns a group of 18 recently hiredsales trainees to three "home rooms" - 6 trainees per room. Eachroom...
- Q In the discussion board, give an example of how you haveencountered statistics in your daily life or work. Discuss howstatistics were used and their impact on you
- Q Given the following data:Number of patients = 3,293Number of patients who had a positivetest result and had the disease = 2,184Number of patients who had a negativetest, and did not...
- Q A survey was undertaken by Bruskin/Goldring Research for Quickento determine how people plan to meet their financial goals in thenext year. Respondents were allowed to select more than one way...
- Q A university offers finance courses numbered 1,2,3,4,5 andaccounting courses numbered 1,2,3,4,5,6. Let F be the event ofselecting a finance course, A the event of selecting an accountingcourse, E the event...
- Q The Damon family owns a large grape vineyard in western New Yorkalong Lake Erie. The grapevines must be sprayed at the beginning ofthe growing season to protect against various insects...
- Q Consider a drug testing company that provides a test formarijuana usage. Among 326 tested? subjects, results from 26subjects were wrong? (either a false positive or a false?negative). Use a 0.10...
- Q Suppose that the index model for two Canadian stocks HD and MLis estimated with the following results:RHD=0.02+0.80RM+eHDR-squared =0.6 RML =-0.03+1.50RM+eMLR-squared =0.4?M =0.20where M is S&P/TSX Comp Index and RX is theexcess...
- Q Suppose you are a loan office for a bank, and you want tocompare interest rates on first mortgages at your branches lastmonth. YOu collect the following data: number 21, 41...
- Q I need to know how to solve this on paper and on a ti-84A new otc medicine to treat a sore throat is to be tested forits effectiveness. The maker...
- Q Dr. Palpatine teaches statistics at Coruscant University. Hebelieves there are three types of classes he may encounter:(P) Poor classes, where only 70% of the students will be able topass exam...
- Q The proportion of deaths due to lung cancer in males ages 15–64in England and Wales during the period 1970–1972 was 12%. Supposethat of 20 deaths that occur among male workers...
- Q What is the relationship between the simple two-sample t-testand the Bonferroni method of multiple comparisons?
- Q Many people purchase SUV because they think they are sturdierand hence safer than regular cars. However data have indicated thatthe costs of repair of SUV are higher that midsize cars...
- Q {Exercise 9.51(Algorithmic)}A recent issue of theAARP Bulletin reported that the average weekly pay for awoman with a high school diploma was $680 (AARP Bulletin,January–February 2010). Suppose you would like to...
- Q 13.50 The owner of a moving company typically has his mostexperienced manager predict the total number of labor hours thatwill be required to complete an upcoming move. This approach hasproved...
- Q 1.There are 15 teams in the NBA west- ern conference. Warriorsare rst. Lakers are right above the Kings in standings. The Thunderis higher than Clippers which is higher than Mavericks...
- Q how is multimodal distribution related to criminal justice?
- Q Thirty small communities in Connecticut (population near 10,000each) gave an average of x = 138.5 reported cases oflarceny per year. Assume that ? is known to be 44.9 casesper year.(a)...
- Q Exercise 1Is there a linear relationship between the age at which a childfirst begins to speak and the child’s later mental ability? A studywas conducted in which the age (in...
- Q Your BANA II professor is going on vacation. He has narroweddown a list of potential hotels, but he is still overwhelmed by thedata. He loves great food and wants to...
- Q Find the? (a) mean,? (b) median,? (c) mode, and? (d) midrangefor the data and then? (e) answer the given question.Listed below are the amounts? (dollars) it costs for marriageproposal packages...
- Q I NEED TO: Write a 100-word paragraph (in yourown words) stating whether the study below is correlational orexperimental and explaining why you believe it is correlational orexperimental. If you believe...
- Q Two different teaching procedures were used on two differentgroups of students. Each group contained 100 students of about thesame ability. At the end of the term, an evaluating team assigned...
- Q The manager of a door-making company would like to estimate theamount of time it takes for a piece of wood to be moved, cut, andpackaged at two different plants. At...
- Q A store has N clients per day, where the probability that N willbe three is 0.1, that N will be two is 0.4, that N will be one is0.3. The...
- Q Sample annual salaries? (in thousands of? dollars) for employeesat a company are listed.5134?5952?272751??345931??525141 ?(a) Find the sample mean and sample standard deviation.?(b) Each employee in the sample is given a66?%raise. Find...
- Q As the production manager of the Neptune Boat Corporation, youmust determine how many units of the Model 4W speedboat to produceover the next four quarters. The company has a starting...
- Q At a Midwestern University the 386 students in the BusinessSchool were classified according to their major within the businessschool and their gender. The results follow.FemaleMaleAccounting6856124Administration9140131Economics5611Finance6159120225161386Find the probability that the selected...
- Q People arrive to a hotel at a rate of 20 on average with each halfhour. Make a probability distribution in excel for an interval of30 minute duration. What’s the probability...
- Q QUESTIONTwo types of medication for hives are being tested. Themanufacturer claims that the new medication B is more effectivethan the standard medication A and undertakes a comparison todetermine if medication...
- Q 4.Assume that it is true that people can not tell the differencebetween Coke and Pepsi. If a sample of 15 people participated in ablind taste test, can we assume that...
- Q Conduct a test at the alpha?equals=0.01 level of significance bydetermining ?(a) the null and alternative? hypotheses, ?(b) thetest? statistic, and? (c) the? P-value. Assume the samples wereobtained independently from a...
- Q 205327189205148139178157188301195185164182201248298264177169174169155188194192177189188176158305248189209159202177278268166285249203199170165180201209301188165173183206202283207156Please put these in order- highest to lowest- and tell me HOWyou did it. SHOW me please your answer and in excel or googlesheets
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