programming estimation

mean

data1=[49., 66, 24, 98, 37, 64, 98, 27, 56, 93, 68, 78, 22, 25, 11]

def mean(data):
	return sum(data)/len(data)

print mean(data1)

median

data1=[1,2,5,10,-20]
def median(data):
	sdata = sorted(data)
	index = (len(data) - 1)/2
	return sdata[index]

print median(data1)

data1 = [1,2,5,10,-20,5,5]

def mode(data):
…
return

print mode(data1)
5

for i in range(len(data))
if :
data.count(data.[i])

data1=[1,2,5,10,-20,5,5]
def mode(data):
	modecnt=0
	for i in range(len(data))
		icount=data.count(data.[i])
		if icount>modecnt:
			mode=data[i]
			modecnt=icount
	return mode

print mode(data1)