Question
विश्व हिंदी दिवस कब
मनाया जाता है ?Solution
विश्व हिन्दी दिवस प्रति वर्ष 10 जनवरी को मनाया जाता है। इसका उद्देश्य विश्व में हिन्दी के प्रचार-प्रसार के लिये जागरूकता पैदा करना तथा हिन्दी को अन्तराष्ट्रीय भाषा के रूप में पेश करना है

If xi | fi , i = 1,2,...n is a frequency distribution with standard deviation 15 and mean 30, the coefficient of variation will be equal to:

These seventh decile (D7) of data set 4, 3, 10, 9, 1 is
For the ANOVA which option is wro1ng?
For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
The deseasonalised time - series data will have only trend (T), cyclical (C) and irregular (I) components and is expressed as:
Which of the following options is correct when data is classified on the basis of attributes?
If the odds in favour of any random event A are 5 : 6, then the odds against the event are:
For a random variable x, the central moments (µi) of all order exist. The square of (2j + 1)th moment (µ22j+1) is