Question
Sponging type of mouth parts are found in which
insect?ÂSolution
Houseflies have sponging mouthparts, which they use to lap up liquid food. They cannot bite or chew, so they dissolve solid food with saliva and then sponge it up.
The median of following observations 8, 9, 10, 8, 8, 10, 8, 9 is
Which of the following approaches does multiplicative model have for the component of Time series Secular trend (7). Seasonal variation (S), Cyclical f...
Five persons A, B, C, D and E occupy seats in a row at random. The probability that A and B sit next to each other is:
The grouped data for the observations are
Class:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1-3Â Â Â Â Â Â Â Â Â 3-5Â Â Â Â Â Â Â Â Â 5-7
If the population skewness of the observations 8,6,3, 1,2,5 is 0.233, then the population skewness of 16,12,6,2,4,10 is:
Which one is not basis of classification of data.
Which one is parameter from population?
 X and Y are independent normal variables with mean 50 and 80 respectively and standard deviation as 4 and 3 respectively. What is the distribution o...
The mean deviation from an average A will be minimum, if A represents:
By the method of moving averages, the seasonal index for four quarters equals to:
