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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 researcher is interested in the relationship between fathers' performance in high school and their children's social skills. She obtains the high school transcripts of fathers a
meaning,definition,scope,origin,advantages and limitation of operation research ?
compute and interpret sample covariance for the data
A machine that fills quart milk cartons is set up to average 32.2 oz per carton, with a standard deviation of 1.2 oz. Assume a normal distribution for all of the cartons filled, wh
What is the net book value of a noncurrent asset? The net publication value of a noncurrent resource is the net quantity revealed on the stability piece for a long-term resourc
Binding studies were carried out in which heparin was immobilized on the surface of cuvettes. The pH dependence of HPRG binding to heparin was investigated and the results are show
1. Passive losses are fully deductible as long as they do not exceed $50,000 during the year. A) True B) False 2. Wages are considered "active income." A) True B) False 3. A de
which scale of measurement is used for Class size
List all possible simple random samples of size n = 2 that can be selected from the population {0, 1, 2, 3, 4}. Calculate 2 s for the population and Var y( ) for the sample.
what does it mean by sales less of goods sold and cost less of goods sold
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