3. The dotplot for a sample with size n = 30, * = 62.3, s = 2.63 is given below ...... 65 56 67 58 59 60 61 62 63 64 65 68 87 68 Average Daily Temperature a. State whether or not a t-distribution is appropriate. Briefly explain your reasoning. b. Give the degrees of freedom (exact value) and the standard error (rounded to two decimal places). Show all work for full credit