Find the mean test score of a student if his scores in 6 subjects are ..
Find the mean test score of a student if his scores in 6 subjects are 90, 96, 73, 94, 75, and 94. => 85 or 88 or 87 or 86..
Change of subject of formula
It is given that (i) Make b the subject of the formula. (ii) If a = 9 and R = 3, find b. (i) (Invertendo) [Note: Invertendo means inverting the ratios.] (i..
It is given that (i) Make b the subject of the formula. (ii) If a = 9 and R = 3, find b. (i) (Invertendo) [Note: Invertendo means inverting the ratios.] (i..A survey report states that the average coffee consumption of the Amer..
A survey report states that the average coffee consumption of the American adult is 400 cups per annum. The annual coffee consumption of 25 American adults was subjected to a study and it was found that the sample has a mean of 418 cups with a standard deviation of 12 cups. At &..
In an experiment, three drugs were tested to see how much pain relief ..
In an experiment, three drugs were tested to see how much pain relief each provides. Pain relief was rated on a ten-point scale. Five subjects were tested in each group and their data are as shown in the table. At α = 0.05, find the F test value. Can it be concluded that the me..
Transitive and Intransitive Verbs
Depending on whether the action denoted by the verb is transferred from the subject to the object or not, verbs are said to be transitive or intransitive. Transitive means passing ove..
Trigonometry XI Introduction
Trigonometry - is that branch of mathematics which deals with the measurement of sides and angles of triangles. The word, trigonometry is derived from Greek, which means the measure of triangles. This subject was originally developed to solve problems in astronomy and geometry. ..
Air Pollution
The major problem that the atmosphere is being subjected to is pollution. In India, about 100 million tons of pollutants are being added to the atmosphere annually. This figure is likely to go up in future. Polluted air is harmful to man and the biosphere on the whole, as well. This..
Introduction to Grammar
Grammar may be roughly defined as the way a language manipulates and combines words (or groups of words) in order to form longer, meaningful units. For example, in English, the present form of the verb 'be' in the third person has two distinct forms, one (is) being used with a singular subjec..
Introduction
Although population of some animals is also studied, the population of human beings is most extensively studied. Whenever the word population is used, it connotes the human population. Population is one of the most important subjects known for having large scale ramifications on economic,..
Playing to Western Tunes
Where do you think revealing raiment's, weird slang and our youths' dismaying attitudes come from? Very obviously they are the results of attempts to emulate the western world. Probe into the subject, delve into its various effects - you will be shocked at how rapidly Western culture i..
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