In a moderately skewed distribution the value of mean and median are 5 and 6 respectively. Then the value of mode is _______.
8
11
16
21
The temperature during a month in summer are recorded as ( in F ) 99, 78, 80, 94, 92, 76, 86, 96 . The mediantemperature is
76
99
92
89
The AM of the series 1, 2, 4, 8 ..... 2n is ______.
The central value of the set of observations is called
Mean
Median
Mode
G.M
If the two lines of regression of a bivariate distribution coincide, then the correlation coefficient ρ satisfies?
ρ = 0
ρ > 0
ρ < 0
ρ = 1 or -1
The AM of three sizes 3, 4 and 2.5 weighted respectively by the numbers 15, 5 and x is found to be 3. Then x = ________.
7
5
10
The temperature during a month in summer are record as ( in F ) 99, 78, 80, 94, 92, 76, 86, 96 The median temperature is _______.
The mean age of 50 persons was found to be 32 years. Later it was detected that the age 28 was wrongly noted as 35, the age 57 was wrongly noted as 30 and the age 60 was wrongly noted as 32. Then the correct mea age is ________.
28
33
31
32.4
The relationship between mean, median and mode for a moderately skewed distribution is
Mode = 3Median - 2 Mean
Mode = 2 Median - Mean
Mode = 3 Median - 2 Mean
Mode = 2 Median - 3 Mean
The AM of three sizes 3, 4 and 2.5 weighted respectively by the numbers 15, 5 and x is found to be 3. Then x =
