series data base

Electrochemical Series of Metals - Different metals get ionised at different rates. For e.g., metals like sodium when exposed to air combine almost instantly with the oxygen present therein (sodium atom gives up an electron almost as soon as it is in contact with oxygen). On the other han..

Introduction Exponential and Logarithmic Series - In this chapter, we shall study two series known as the Exponential series and Logarithmic series. In our discussion, we shall make use of mathematical tools like formula for sum of an infinite G.P., combinato..

Based on the data in the stem and leaf plot, find the sum of the average of lower quartile and the middle quartile and the average of middle quartile and the upper quartile. => 50 or 40 or 43 or 44..

Based on the stem-and-leaf plot, how many data items are there in the intervals 20 - 29, 30 - 39, 40- 49, 50- 59 and 60 - 69 ? => 19 or 17 or 23 or 22..

Which time series graphs represents the percentage change in the number of chronic patients (cases) in a major hospital over the years? The data is given as: Year 1999 2000 2001 2002 2003 2004 Chronic patients (%) 2.3% 2.4% 1.8% 1.9% 2.0% 1.7% => both Graph 1 and Graph 2 or Grap..

A business man wants to know the likely cost of a new contract based on the data collected from the contracts of the previous years. Determine the equation of the regression line for the data and predict the value for y ′ when x = 30. Years 2000 2001 2002 2003 20..

The university authorities wanted to predict a student's grade on a statistics midterm score based on his/her SAT scores. Determine the correlation coefficient and the equation of the regression line for the data and predict the value of y ′ when x = 900. Test the hypothes..

>Simple reactions are those, which involve a single elementary reaction. The rate law can be written from the stoichiometry of the chemical equation. One such reaction is the gas phase reaction of ozone (O 3 ) with nitric oxide (NO). This bimolecular reaction exhibits second order kinetics. However..

1. The mean deviation (M.D) of a statistical data is defined as the arithmetic mean of the numerical values of the deviations of the items from some average. 2. The standard deviation of a statistical data is defined as the positive square root of the A.M of the squa..

Population is defined as the total number of individuals of a species present in a particular area. (For e.g., a country or a state or a city) Population is studied by a comprehensive census - wherein exhaustive and classified information about number, sex, education, age, income and other basic in..