Statistics question and answers for July 11, 2023
- Q Female students at a certain college participate in sports withthe following probabilities: Soccer = 0.32 Basketball = 0.22 Tennis= 0.22 Both soccer and basketball = 0.06 All three sports =...
- Q PLEASE SHOW ANSWER WITHOUT USING EXCEL OR ANY SOFTWARE.NEED DETAILED WORKINGS OF THE ANSWER. PLEASE NOTE NOEXCELConduct a test of hypothesis to determine whether the block ofthe treatment means differ....
- Q Times for a surgical procedure are normally distributed. Thereare two methods. Method A has a mean of 35 minutes and a standarddeviation of 4 minutes, while Method B has a...
- Q Please make sure to display your thought process? It isimperative to be able to follow how the answer was deduced. Pleasebe as thorough as possible. Please address all parts of...
- Q Explain with an example the process for determining thereplicates number for Design of Experiments.
- Q in a study of 140 women, the relationship betweenworking status (full time, part time, not working).and obesity (BMI<30 or not) would be examined using which of the followingstatistical testchi squareindependent...
- Q Coconut palm is a multiple use tree, and is consider as one ofthe ten most useful trees in the world. The heights of a sample of15 full-grown coconut trees are...
- Q a. all Hypothesis Tests must include all four steps,clearly labeled;b. all Confidence Intervals must include all output aswell as the CI itselfc. include which calculator function you used for eachproblem.2....
- Q Almost all medical schools in the United States require studentsto take the Medical College Admission Test (MCAT). To estimate themean score ?μ of those who took the MCAT on your...
- Q Over the last 20 years, the number of students who hold a jobwhile attending university fulltime has increased. Workresponsibilities may ‘compete’ for time and energy with courseresponsibilities, and consequently, may...
- Q The following data give the weight (inkg) of all six employees of a company.617353486889Construct the population distribution of the weight of theemployees.[3 marks]List all the possible samples of size four...
- Q A random sample of 23 items is drawn from a population whosestandard deviation is unknown. The sample mean is x=820 and thesample standard deviation is s=25. (Round all answers to...
- Q Provide examples of how the t test and ANOVA could beused to compare means within your work environment or domain ofinterest. Discuss the appropriateness of using the t testversus ANOVA.
- Q The Ball Corporation's beverage can manufacturing plant in FortAtkinson, Wisconsin, uses a metal supplier that provides metal witha known thickness standard deviation a=.000672 mm. Assume a randomsample of 56 sheets...
- Q Music streaming services are the most popular way to listen tomusic. Data gathered over the last 12 months show Apple Music wasused by an average of 1.71 million households with...
- Q A pizza restaurant sold 24 cheese pizzas and 16 specialty pizzasfor a particular day. 14 of the cheese pizzas were sold tofamiliies with young children. 6 of the specialty pizzas...
- Q Use the sample information x=44, a=6, n=17 to calculate thefollowing confidence intervals for u assuming the sample is from anormal population(a) 90% confidence interval is ? to ?(b) 95% confidence...
- Q The manufacturer of an MP3 player wanted to know whether a 10%reduction in price is enough to increase the sales of its product.To investigate, the owner randomly selected eight outlets...
- Q A problem statement is an integral part of the research.Elaborate on the meanings of “problem†according to pure researchand applied research.
- Q - Show an example of an observational study that looks or soundsscientific, with the reference.1 - Explain what makes the study look or seem scientific.2 - Explain what the problems...
- Q Sub: Test on Hypothesis (Maths)Kindly solve the sum and provide the detailed step by stepmethod:-A random sample of size 15 has 50 as mean, the sum of thesquares of the...
- Q Let x be a random variable that represents the level ofglucose in the blood (milligrams per deciliter of blood) after a 12hour fast. Assume that for people under 50 years...
- Q A motorist goes for a drive, keeping the reading on thespeedometer at a constant value of 40 km/h. The speedometer isassumed to be accurate to +- 2 km/h. At the...
- Q In addition to state-of-the-art technologies, the production ofquality wine is strongly influenced by the natural endowments ofthe grape-growing region—called the ‘‘terroir.’’ The EconomicJournal (May 2008) published an empirical study of...
- Q An epidemiologist is worried about the prevalence of the flu inEast Vancouver and the potential shortage of vaccines for the area.She will need to provide a recommendation for how to...
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