Basic Math question and answers for September 01, 2023
- Q Racism, juries, and interactions: In a study of racism,Nail, Harton, and Decker (2003) had participants read a scenario inwhich a police officer assaulted a motorist. Half the participantsread about an...
- Q Researchers watched groups of dolphins off the coast of Irelandin 1998 to determine what activities the dolphins partake in atcertain times of the day (\"Activities of dolphin,\" 2013). Thenumbers in...
- Q Salmon Weights: Assume that the weights of spawning Chinooksalmon in the Columbia river are normally distributed. You randomlycatch and weigh 18 such salmon. The mean weight from your sample is19.2...
- Q Suppose that a pharmaceutical company makes the assertion thatDrug A has a stronger effect than Drug B. To test this claim, 1000randomly selected people were given the two drugs during...
- Q The American Bankers Association reported that, in a sample of125 consumer purchases in France, 62 were made with cash, comparedwith 21 in a sample of 40 consumer purchases in the...
- Q Gallup recently conducted a survey about the proportion ofAmericans who use e-cigarettes (vape). The survey data wascollected via random-digit-dial telephone interviews conducted July1-12, 2019 with a random sample of 1525...
- Q A cola-dispensing machine is set to dispense 8 ounces of colaper cup, with a standard deviation of 1.0 ounce. The manufacturerof the machine would like to set the control limit...
- Q Must show all needed steps in getting to your finalanswer. And, express your final answer as a decimal.Show every step NEATLY pleaseNEATLY AND VERY CLEAR AND READABLEPLEASE TYPE ANSWER AND...
- Q A research group conducted an extensive survey of 3144 wage andsalaried workers on issues ranging from relationships with theirbosses to household chores. The data were gathered throughhour-long telephone interviews with...
- Q Describe 2 (two) methods that will be useful in enhancing dataquality?Would internal validity and reliability be correct for thisquestion or would you recommend something else?
- Q 1) A survey was conducted that asked 1002 people how many booksthey had read in the past year. Results indicated that x=12.9 booksand s=16.6 books. Construct a 99​% confidence interval...
- Q What are the two limitations of correlation when interpretingthe data?
- Q Appraise what new statistical methods are used in the evaluationof conceptual theories outlining specific advantages these methodsprovide. Compare Structural Equation Modeling (SEM) techniquesproviding advantages of using SEM to other conventional...
- Q Was there discrimination on the Titanic? Were first-classpassengers given greateraccess to life boats?The unsinkable liner Titanic collided with an iceberg on her maidenvoyagein 1912 and sank with great loss of...
- Q Solve following using Program R studio. Please show code andresults. Thank you.3. Assume that ? is a random variable represents lifetime of acertain type of battery which is exponentially distributed...
- Q Companies that recently developed newproducts were asked to rate which activities are most difficult toaccomplish with new products. Options included such activities asassessing market potential, market testing, finalizing the design,developing...
- Q How, do you think, themusic industry can benefit from the application of Big Datatechnology?
- Q Propose the key factors in designing a questionnaire.
- Q A researcher recruited a sample of 5 women who were interestedin trying a new six-week program of diet and exercise designed topromote healthy weight loss. She plans to use the...
- Q Problem 3: A Corporate Perceptions Study surveyed 200 readersand asked them on how they would rate XYZ Corporation on the“Quality of Management†and the “Reputation of the Companyâ€. Thetwo variables...
- Q What Big Data trends in the field of personal health are moreexciting to you? why?
- Q 3300 Econometric HWobsRWAGESPRODUCT195959.8710048.02600196061.3180048.86500196163.0540050.56700196265.1920052.88200196366.6330054.95000196468.2570056.80800196569.6760058.81700196672.3000061.20400196774.1210062.54200196876.8950064.67700196978.0080064.99300197079.4520066.28500197180.8860069.01500197283.3280071.24300197385.0620073.41000197483.9880072.25700197584.8430074.79200197687.1480077.14500197788.3350078.45500197889.7360079.32000197989.8630079.30500198089.5920079.15100198189.6450080.77800198290.6370080.14800198390.5910083.00100198490.7120085.21400198591.9100087.13100198694.8690089.67300198795.2070090.13300198896.5270091.50600198995.0050092.40800199096.2190094.38500199197.4650095.903001992100.00000100.00000199399.71200100.38600199499.02400101.34900199598.69000101.49500199699.47800104.492001997100.51200106.478001998105.17300109.474001999108.04400112.828002000111.99200116.117002001113.53600119.082002002115.69400123.948002003117.70900128.705002004118.94900132.390002005119.69200135.021002006120.44700136.40000Problem 2.Use the data in the “Autocorrelation†tab totestFor Autocorrelation using the Durbin WatsonTestGraph the Residuals and determine whether they aredistributed normally or whether they are biased
- Q The following statistics are calculated by sampling from fournormal populations whose variances are equal: (You may find ituseful to reference the t table and the q table.)x¯1 = 169, n1...
- Q Discuss potential ethical issues related to statistics. Theseinclude manipulation of results, improper choice of samples andtimelines. Discuss it in the context of a recent article that useesstatistics to articlate a...
- Q A biologist is sampling oranges to determine the amount of juicein each orange. She tested 50 oranges chosen at random. The averageamount of juice was = 3.1 ounces with a...
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