Question
What is true about
SQL?Solution
SQL is a database query language which provide support for creating , manipulating and updating the database. It provide transaction management commands with authorization also.
Following two statements are related to regression coefficient
(I) Independent of the change of origin
(II) Independent of the change of scale
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Let x and y be two variables with variance as 1990 and 796 with 11 and 9 number of observations respectively. The value of F(10, 8) at 5% level of sign...
Which one is parameter from population?
Which of the following is the most relevant for deriving a point estimate?
If each observation is halved then the coefficient of quartile deviation
The deseasonalised time - series data will have only trend (T), cyclical (C) and irregular (I) components and is expressed as:
The arithmetic mean of the following frequency distribution of number of members in family in the society
               X:  ...
The six decile (D6 ) of 5, 3, 2, 6, 8, 4 is:
If first, second, and third moment about origin are 1, 6, and 15 respectively, then Karl Pearson beta coefficient of skewness β is
 The standard error of the given data 15, 5, 12, 10, 20, 4 is