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QUESTION 1.1 What are the advantages of observation and its limitations as a method of collecting information? 1.2 State TWO (2) advantages of primary data 1.3 Explain ANY TWO (2) differences between a bar chart and histogram. 1.4 Define the following types of probability sampling methods: tion? 120 (6) 1.4.1 Systematic sampling. 1.4.2 Cluster sampling. 14.3 Random sampling. 1.5 Define the term trend as used in Time Series Analysis and Forecasting.
math   Statistics-And-Probability   
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metluod 3) can ocuato peaple in seal Jie tuation D Expevaive metuod O ara

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