The concept of ‘margin of error’

Part 1. Explain the concept of ‘margin of error’ in deciding the size of a sample. Part 2 – Explain the following terms with an example Point estimateInterval estimateConfidence intervalConfidence limitsConfidence coefficients or critical values.Part 3 – In a survey carried out in a large city, 170 households out of a random sample of 250 […]

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