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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.
Q.2. (ii) A company making lamps has drawn a sample from its production line and measured the light output from each. The results, in microamps, are as follows: 9.1 9.8 9.5
advantages of statistical method
What are Saturn’s rings like? - Saturn’s rings are made of tiny icy objects ranging from particles to boulders each orbiting Saturn independently like a tiny moon. They lie in S
A study was conducted at a major north-eastern American medical centre regarding blood cholesterol levels and heart-attack incidents. A total of 28 heart-attack patients had their
what is historigrams
a) The US Food and Drug Administration has veto power over the choice of drug names. In 2004, it used this power regularly, rejecting 36% of the names proposed by companies for re
Characteristics of index number
Suppose the entire cola industry produces only two colas viz., Pepsi and Coke. Given that a person last purchased Pepsi, there is 90% that his next purchase will be Pepsi. Given
For an alignment shown below derive log-odds score for the column 1 only by a) Computing observed probability values b) Expected probability values TAGCTT AAGCTC T
Ghosh Ltd is considering expanding its business and has to decide between taking on Project A or Project B. Both projects have a life of four years. Equipment is expected to have
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