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A simple random sample consists of six observations 12, 2, 1, 4, 2, 9. The point estimate of the population mean is : |
4.2 3 5.2 5 |
5 |
The correct answer is Option (4) → 5 Sample Mean, $\bar x=\frac{∑x_i}{n}$ $=\frac{12+2+1+4+2+9}{6}=5$ |
