Please help me for solving this question on ms Excel please explain each and every step of solving this question of statistics subject.

1) Assume that a firm has selected a random sample of 100 employees from its production line representing their monthly working hours and obtain the data shown in the table below: Class Interval 130-134 135-139 140-144 145-149 150-154 155-159 160-164 Frequency 3 12 21 18 19 12 5 Calculate the following from the above data and also interpret the results. i) The arithmetic Mean ii) The standard deviation iii) Coefficient of skewness iv) Coefficient of kurtosis