c) An article in the Journal of Heat Transfer described a new method of measuring the thermal conductivity of Armco iron.Using a temperature of 100^circ F and a power input of 550 wats, the following 10 measurements of thermal conductivity were obtained: 41.6,41.,42.3,419,41.9,42.2,417,42.3,41.8, and 42.0 Using the above data,calculate: (i) Point estimate of the mean thermal conductivity (2 marks) (ii) Standard deviation of the mean thermal conductivity (3 marks) (iii) The standard error of the point estimate obtained in part (i)above (2 marks)