need short answer

Topic 4 - Exploratory Research and Focus Groups 1. Specify the three characteristics which distinguish Qualitative Techniques and Quantitative Techniques 2. Identify 4 advantages and 4 disadvantages of Online Focus Groups - Topic 6 - Sampling Theory 1. Define Central Limit Theorem and specify how it helps researchers undertaking sample- based research - Answer is in Slide number 9 in the Sampling Theory-upload.ppt document 2. This question has four sections: O A. Please specify two types of Errors that occur when the researcher is undertaking Marketing Research in the sense of which is a chance error and which is unavoidable B. Please present any two examples of Non-Sampling Error C. Please specify whether Non-Sampling Errors occur even when undertaking census. Why is that the case? D. Can Random Sampling Errors cause bias? Please specify what can be done to reduce the level of random errors that will occur in a Marketing Research Study? 3. Are Confidence Interval and Confidence Level the same concept? Or, are they related concepts? If so, how are they related? In the field of Marketing, what are the most commonly used confidence levels