1 The following table shows number of hours students expect to spend weekly on statistics including 3 class hours Note that some intervals with zero frequency were omitted X Expected Hours 49 50 19 20 17 18 15 16 13 14 11 12 9 10 7 8 5 6 3 4 1 2 a Is the variable discrete or continuous Is it nominal ordinal interval or ratio Briefly explain your answers f 2 4 0 3 2 6 50 79 173 51 4 374