work 4,4.docx - BSBMKG511 1 Its mean the typical or central for a set of data Central tendency are mean median and mode Mean is the average of a set of

# work 4,4.docx - BSBMKG511 1 Its mean the typical or central...

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BSBMKG511 1. It’s mean the typical or central for a set of data. Central tendency are mean, median and mode. Mean is the average of a set of numbers. The mean of 2,3,5,9,11 is 6 = (2+3+5+9+11)/5 = 30/5 = 6. Median is the middle of a set of numbers. 8,9,10,11,12 the median is 10. Mode is the most common number in a set of number. 8,9,9,10,11 mode is 9. 2. It’s show the spread of data around the central point. Dispersion can let the business know if the majority of customers have spending habits that match average spending in a store, or if customers spend in a wide range of ways. The main concept of dispersion are rage, interquartile or quartile ranges, mean deviations, standard deviations, frequencies. 3. It’s a process or technique of selecting a suitable sample. A sample mean subset or some part of a set of data. Sampling process; 1. Define the population. 2. Frame the popular 3. Choose a sample design 4. Draw the sample 5. Execute the research 4. PEST is a tool that can be used to look at the influences that occur with political, economic, social, cultural and technological changes. PEST can help to identify and trends or developments in

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