Can you help solve (a,b,c)

Consider the following sample data Scures - P 3 , 1 , 7, 6 , 57 8 , 71 6 , 8 5 , 4 , 1 / 2 , 2 , 9, 8, 7, 61 7 7 a ) Construct a frequency distichution using class width = 3 and lower limit of first class = b ) Construt a relative kieguency histogram . C) Is the distribution of the sample a normal distribution ? Explain