Type in integers m and n (both less than 20) :12 15

Array a after initialization is:

     1.2500     1.2308     1.3571     1.6000     1.9375
     2.3529     2.8333     3.3684     3.9500     4.5714
     5.2273     5.9130     6.6250     7.3600     8.1154
     8.8889     9.6786    10.4828    11.3000    12.1290

Mean = 5.508574
Mean deviation = 3.091551

Array ps of prefix sums is:

     1.2500     2.4808     3.8379     5.4379     7.3754
     9.7284    12.5617    15.9301    19.8801    24.4515
    29.6788    35.5919    42.2169    49.5769    57.6922
    66.5811    76.2597    86.7425    98.0425   110.1715