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The next step is to determine the sources of data to be used. The researcher has to decide whether he has to collect primary data ror depend exclusively on secondary data. Sometimes the research study is based on both secondary and primary data.
When a study is to be based on secondary data whether partly or fully it is necessary to satisfy oneself that the data are quite suitable for the objectives spelt out by the study. It is also advisable to evaluate secondary data in detail to avoid possible sources of error. It is only when such secondary data are unavailable inadequate or unreliable that a researcher should decide on collecting fresh data.
Once the decision in favour of collection of primary data is taken one has to decide the mode of collection. The two methods available are observational methods and survey methods.
Discrete Standard Deviation For calculating standard deviation in discrete series any of the following methods may be applied (1) Actual mean method. (2) Assumed mean method. (
Which of the following statements are correct interpretations of a 95% confidence interval for μ? (a) 95% of the observations in the sample will be contained in the confidence i
Define Ancillary costs Expenditures that is directly attributable to resource acquisition, such as freight and transportation costs, site preparation costs, and professional charg
Question 2 Pankratov Lakes is a new recreational real estate development that consist of 500 Lake front and lake view lots. As a special incentive to the first 100 buyers of lake v
what is the role of statistics in other sciences?
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Q. What is Univariate and Bivariate Data? Ans. Univariate data is data gathered about a single variable. Univariate studies could include a study of the amount paid by Am
Define Betterment An inclusion created to, or modify created in, an investment resource, other than servicing, that is estimated to improve its predicted useful life or to improve
Measures of Dispersion (Variation) A measure of dispersion is to measure the spread among values of observations in a data set. There are three commonly used measures of disper
could you please tell meaning of credit and debit notes in terms of intercompany transactions.
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