Statistics question and answers for August 17, 2023
- Q Find one data set. 50 datums minimumYou may use NBA, NHL, MLB, stock market, coinmarketcap (cryptocurrency) or any other type of data.What type of data is it? Ordinal? Interval? Ratio?Create...
- Q 1. A multiple linear regression model should not be usedif:A The variables are all statistically significant.B The coefficient of determination R2 is large.C Both of the above.D Neither of the...
- Q A.A survey of 1283 student loan borrowers found that 428 had loanstotaling more than $20,000 for their undergraduate education. Givea 99% confidence interval for the proportion of all student loanborrowers...
- Q 9.21)Anyone who has been outdoors on a summer evening has probablyheard crickets. Did you know that it is possible to use the cricketas a thermometer? Crickets tend to chirp more...
- Q Brand  Tar  Nicotine  COAmerican_Filter  16  1.2  15Benson_&_Hedges  16  1.2  15Camel  16  1  17Capri  9  0.8  6Carlton  1  0.1  1Cartier_Vendome  8  0.8  8Chelsea  10  0.8  10GPC_Approved  16  1  17Hi-Lite  14  1  13Kent  ...
- Q Please, i need Unique answer, Use your ownwords (don't copy and paste).*Please, don't use handwriting. *Please,don't use handwriting.*Please, don't usehandwriting.*Please, don't usehandwriting.*Please, don't usehandwriting.*Please, don't usehandwriting.*Please, don't usehandwriting.*Please, don't usehandwriting.*Please,...
- Q In the table, below, the number of correctly remembered wordsare listed for both tests (see #1, above). Based on these results,calculate the appropriate test for these data (assume a =...
- Q Researchers would like to know whether the proportions ofelementary school children who are obese differ in rural and urbanarea. An earlier study found that 50% of urban school children and45%...
- Q We wish to compare the prevalence of parasites in Mediterraneanfish to the prevalence of parasites in Atlantic fish. In theMediterranean Sea 500 brill were captured and dissected; 150 werefound to...
- Q Starting salaries of 64 college graduates who have taken astatistics course have a mean of $42,500 with a standard deviationof $6,800. Find an 90% confidence interval for ?μ. (NOTE: Do...
- Q Each bound should be rounded to three decimal places.A random sample of ?=100 observations produced a mean of ?⎯⎯⎯=32with a standard deviation of ?=4(a) Find a 95% confidence interval for...
- Q The data is presented in parallel format. Before running theANOVA in Excel, you will need to put it into serial (column)format. You will need to create a categorical variable for...
- Q A simple random sample of 70 items resulted in a sample mean of90. The population standard deviation isσ = 5.(a)Compute the 95% confidence interval for the population mean.(Round your answers...
- Q You are given the following information about y andx:yxDependent VariableIndependent Variable515712910117Calculate the value of SSR, using theformula.
- Q At Burnt Mesa Pueblo, archaeological studies have used themethod of tree-ring dating in an effort to determine whenprehistoric people lived in the pueblo. Wood from severalexcavations gave a mean of...
- Q To test compliance with authority, a classical experiment insocial psychologyrequires subjects to administer increasingly painful electricshocks to seeminglyhelpless victims who agonize in an adjacent room.* Each subjectearns a scorebetween 0...
- Q (9) A study was conducted on the amount of converted sugar in acertain process at various temperatures. The data was asfollowsTemperature (x) Converted Sugar (y)45 8.150 7.855 8.660 9.865 9.670...
- Q The mayor of a town has proposed a plan for the construction ofan adjoining community. A political study took a sample of 1400voters in the town and found that 61...
- Q 1) Scientists have developed aninexpensive new test that can rapidly diagnose COVID-19 infections,a timely advance that comes as clinicians and public healthofficials are scrambling to cope with testing backlogs while...
- Q Problem 6-21 (Algorithmic)The Centers for Disease Control and Prevention Office on Smokingand Health (OSH) is the lead federal agency responsible forcomprehensive tobacco prevention and control. OSH was establishedin 1965 to...
- Q Data from the Bureau of Labor Statistics' Consumer ExpenditureSurvey show customers spend an average of (µ) $608 a year forcellular phone services. The standard deviation of annual cellularspending is (σ)...
- Q Using the data from 15 automobile accidents, the correlationcoefficient between the combined speeds of the cars (x) in anaccident and the amount of damage done (y) is 0.7831. Theregression equation...
- Q You wish to test the following claim (H1) at a significancelevel of α=0.01.      Ho:μ=50.6      H1:μ<50.6You believe the population is normally distributed, but you do notknow the standard deviation. You obtain the following...
- Q The National AIDS Behavioral Surveys interviewed a sample ofadults in cities where AIDS is most common. This sample included803 heterosexuals who reported having more than one sexual partnerin the past...
- Q 2. A company recently opened two supermarkets in differentareas. Management wanted to know if the average sales per day forthe two supermarkets was different. A 35-day sample for SupermarketA produced...
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