Five students are selected at random from a school and their weights are found to be 50, 51, 53, 54 and 62. The point estimation of the population mean is:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 54
The point estimate of the population mean is the sample mean:
\( \displaystyle \bar{x}=\frac{50+51+53+54+62}{5} \)
\( \displaystyle =\frac{270}{5}=54 \)