http://shop71827088.taobao.com/ GRE/GMAT/TOEFL/IELTS/

GRE

1GRE

2

5

51.(permutation):

52(combination):

53

8

81.mode

82.range

83.mean

84.median

95.standard error

96.standard variation

97.standard deviation

98.the calculation of quartile()

109The calculation of Percentile

1110.To find median using Stem-and-Leaf ()

1211To find the median of data given by percentage()

1312,n