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Herbicide resistance is the inherent ability of a plant/ biotype to survive and reproduce even at much higher than the recommended doses of herbicide It occurs less frequently in nature and is not due to mutation cause by herbicides, rather occur spontaneously from the selection pressure exerted by repeated herbicide application
The mean deviation and coefficient of mean deviation of 5 observation are 1.2 and 0.4. If the sum of the first four terms is 10, then the fifth term is...
The Pearson's correlation coefficient between following observation
X:Â Â Â Â Â Â Â Â Â Â Â 1Â Â Â Â Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â Â Â...
These seventh decile (D7) of data set 4, 3, 10, 9, 1 is
The interquartile range excludes ___ of the values.
If mean and median of the distribution are 12 and 21, then the distribution
The grouped data for the observation are as follows.
Class :Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 2-4Â Â Â Â Â Â Â Â 4-6Â Â Â Â Â Â Â Â Â 6-8...
The arithmetic mean of the following frequency distribution of number of accidents X on week working days is:
X:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â...
The following observations 14, 19, 17, 20, 25 constitute a random sample from an unknown population with mean u and standard deviation σ.
The...
A physical instructor claims that the mean weight of students in school is greater than 82 kg with standard deviation 20. If a sample of size 81 studen...
