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This methods implies the collection of information by way of investigator own observation without interviewing the respondents. While the observational methods may be suitable in case of some studies several things of interest such as attitudes opinions motivations and other intangible state of mind cannot be observed. Another aspect of this method is that it is non reactive as data are collected unobtrusively without the direct participation of the respondent. This method sis an expensive method sand the information provided by this method is also very limited. As such this method is not suitable in inquiries where large samples are concerned.
A LARGE SHIPPPING COMPANY RECORDED THE NUMBERS OF TONS SHIPPED WEEKLY ACROSS THE PACIFIC FOR 50 WEEKS. ARRANGE DATA IN A LESS THAN CUMULATIVE DISTRIBUTION USING SEVEN CLASSES OF E
16 people to line-up ( 12 boys 4 girls). in how many ways could they line-up with all 4 girls in last (anyorder)?
importance of dispersion in statistics
Consider a multiple regression model Y=ß0+ß1X1+ß2X2+µ The sample data yields the following matrices: X’X= { ¦(33&0&0@0&40&0@0&20&60) } Y’X=¦((132&24&92)) ?(y-Y)2 =150 a. what
Q. Example of Selection a Sample? Ans. Suppose a presidential election is approaching and many people are interested in knowing which candidate is most likely to win the v
what is meant by time series?
marginal costing and its break-event analysis
A. A computer rejuvenation facility receives systems from the fleet at 24 systems/day (assume this is a Poisson process). It takes the triage function 30 minutes (assumed exponen
What are the uses of arithmetic mean?
assignement
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