4.3 The following data 0.53, 1.51, 1.55, 2.57, 1.16, 0.66, 1.61, 0.74, 0.59, 2.01 are from a sample of size 10, which are supposed to be independent and identically distributed as N(μ, σ2). Give a confidence interval of μ with confidence coefficient 0.95.