PROCEDURE FOR TESTING OF HYPOTHESIS

PROCEDURE FOR TESTING OF HYPOTHESIS a)State the Null Hypothesis as well as the alternative hypothesis In the context of statistical analysis, we often talk about null hypothesis and alternative hypothesis. The null hypothesis is generally symbolized as Ho. Null hypothesis states that there is no difference between the parameter and the statistic that is being Read more about PROCEDURE FOR TESTING OF HYPOTHESIS[…]

SAMPLE QUESTIONNAIRE FOR THE CHOICE OF CAR

SAMPLE QUESTIONNAIRE FOR THE CHOICE OF CAR Given below is a preliminary questionnaire for the choice of small car Dear Sir/madam, We are conducting a survey to find out more about the consumers’ preferences regarding   car. We would be grateful if you could spare a few minutes to participate in it. The information furnished by you will Read more about SAMPLE QUESTIONNAIRE FOR THE CHOICE OF CAR[…]

GUIDLINES OF FRAMING THE QUESTIONNAIRE OR SCHEDULE

GUIDLINES OF FRAMING THE QUESTIONNAIRE OR SCHEDULE Success of this method greatly depends upon the way in which the questionnaire is drafted. So the investigator must be very careful while framing the questions. The questions should be (i) Short type and clear questions must be given. (ii) The size of the question should be kept Read more about GUIDLINES OF FRAMING THE QUESTIONNAIRE OR SCHEDULE[…]

SAMPLING TECHNIQUES

SAMPLING TECHNIQUES The choice of an appropriate sampling design is of paramount importance in the execution of a sample survey. Generally, there are two types of sampling techniques; Probability sampling and Non probability sampling. Probability sampling includes the random selection of samples. Simple random sampling, systematic sampling, stratified sampling are the types of random selection. Read more about SAMPLING TECHNIQUES[…]

POPULATION METHOD VERSUS SAMPLE ENUMERATION

POPULATION METHOD VERSUS SAMPLE ENUMERATION For any statistical investigation, the basic problem is to obtain adequate and reliable data relating to the particular variable under study.  There are two sources of data: Population method or complete enumeration. The sample method or partial enumeration. In population method we resort to 100% inspection of the population and Read more about POPULATION METHOD VERSUS SAMPLE ENUMERATION[…]