Use Excel, and show code for how to calculate. Thank You

5.1 Consider the following response time data measured in seconds.* 1.49 1.70 1.61 1.43 1.29 1.36 1.66 1.42 1.56 1.25 1.80 1.51 1.50 1.44 1.35 1.58 1.31 1.32 1.48 1.47 1.29 1.46 1.62 1.48 1.48 1.34 1.59 1.66 1.55 1.61 1.52 1.80 1.64 1.46 1.38 1.56 1.62 1.30 1.56 1.27 1.37 1.46 1.42 1.59 1.58 1.60 1.67 1.37 1.55 1.55 1.57 1.66 1.38 1.49 1.58 1.48 1.30 1.68 1.65 1.65 1.59 1.57 1.26 1.43 1.53 1.72 1.77 1.54 1.59 1.46 1.48 1.53 1.33 1.59 1.48 1.62 1.53 1.47 1.61 1.39 1.43 1.39 1.40 1.66 1.33 (a) Compute the mean and the variance. (b) Use the Sturges formula to make a histogram approximating f(x)