Sample 1 2 3 4 1 4.973 4.946 4.952 4.966 2 4.986 4.958 4.968 4.973 3 4.985 4.980 4.969 4.966 4 4.967 4.958 4.961 4.962 5 4.972 4.960 4.968 4.970 6 4.974 4.961 4.969 4.963 7 4.962 4.975 4.970 4.966 8 4.966 4.954 4.961 4.959 9 4.963 4.968 4.965 4.968 10 4.978 4.963 4.965 4.970 11 4.964 4.957 4.964 4.960 12 4.952 4.966 4.962 4.959 13 4.970 4.953 4.956 4.964 14 4.972 4.952 4.964 4.957 15 4.964 4.956 4.956 4.964 16 4.968 4.958 4.961 4.958 17 4.963 4.967 4.967 4.964 18 4.964 4.956 4.957 4.964. What is the Cp