Who said that members of the same species are not alike ?
A. | Darwin |
B. | Herbert Spencer |
C. | Best |
D. | Good |
Option: A Explanation : Click on Discuss to view users comments. ponnamma said: (12:38pm on Sunday 22nd January 2017)
darwin is the scientist who explained inheritance
Ganesh said: (4:27am on Saturday 2nd December 2017)
Survival of the fitest is a theory of Darwin
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A researcher divides the populations into PG, graduates and 10 + 2 students and using the random digit table he selects some of them from each. This is technically called
A. | stratified sampling |
B. | stratified random sampling |
C. | representative sampling |
D. | none of these |
Option: B Explanation : Division of population on the basis of class, income, education level etc is called stratification and every member of each stratum has equal chance of being selected by the researcher. In this way characteristics of various strata are identified and studied. Click on Discuss to view users comments. |
A researcher divides his population into certain groups and fixes the size of the sample from each group. It is called
A. | stratified sample |
B. | quota sample |
C. | cluster sample |
D. | all of the above |
Option: B Explanation : Click on Discuss to view users comments. bhupinder singh said: (4:07pm on Friday 27th December 2013)
its stratified sample.bcos in dis we divided the hetereogenious group into homogenious group
ramesh patil said: (2:31pm on Sunday 2nd February 2014)
its quota sample bcz in quota sampling, a population is first segmented into mutually exclusive sub-groups, just as in stratified sampling. Then judgment is used to select the subjects or units from each segment based on a specified proportion.
honeybun said: (12:05am on Sunday 21st June 2015)
it is cluster sampling....since it involves clustering the group by some number and then selecting random groups
Priyanka Dwivedi said: (5:08pm on Tuesday 31st October 2017)
I think as the researcher is fixing the size of the sample on his own it will be quota sampling .
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Field study is related to
A. | real life situations |
B. | experimental situations |
C. | laboratory situations |
D. | none of the above |
Option: A Explanation : Click on Discuss to view users comments. jyoti said: (11:30am on Monday 20th May 2013)
its a study which systematically discovers relations and interactions among variables in real life situations
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Attributes of objects, events or things which can be measured are called
A. | qualitative measure |
B. | data |
C. | variables |
D. | none of the above |
Option: C Explanation : Click on Discuss to view users comments. Dr. K.V. AMARNATH said: (3:30am on Monday 16th April 2018)
AAttributes of qualitative measures
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