3. A line was determined to be 2395.25m when measured with a 30-m steel tape supported throughout its length under a pull of 4 kg and at a mean temperature. Determine the correct length of the line if the tape used is of standard length at 20°C under a pull of 5kg. The cross- sectional area of the tape is 0.03 sq.cm, its coefficient of linear expansion is 0.0000116/1°C, and the modulus of elasticity of steel is 2.0 x 106 kg/cm2

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.