relationship between zeros and coefficient

The heights of seven brothers and their sisters are shown here. Calculate the correlation coefficient and determine if there is an association between the heights of brothers and their sisters. Brother's height (inches) 67 73 69 68 65 63 71 Sister's height (inches) 62 65 64 63 63 58 66 =>..

The speed traveled and fuel consumed by the new model of a car manufactured by a company is listed here. Speed (kmph) 30 40 50 60 70 80 90 100 110 120 Fuel (litres/100 kms) 10 8 7 6 6.2 7 7.6 8.3 9 10 Calculate the correlation coefficient between the speed and the fuel consumed and descri..

The grade point average of 10 students in two subjects are as follows: Subject I 2.0 2.1 2.2 3.8 3.1 3.4 2.1 2.3 2.5 2.6 Subject II 2.2 2.4 2.0 3.4 2.9 3.6 2.0 2.6 2.7 2.4 Find t test value and test the significance of the correlation coefficient using the P-value method for this data. Us..

Which of the following is true? => Every polynomial function of degree 7 degree with real coefficients has at least four real zeros. or Every polynomial function of degree 7 with real coefficients has at least three real zeros. or Every polynomial function of..

An equation of the form ax 2 +bx+c=0 where a, b, c are real numbers and where "a" does not equal to zero(0). The sum of the roots of a quadratic equation is equal to the negation of the coefficient of the second term divided by the leading coefficient. The pro..

It is defined as an inherent capacity of females to conceive and deliver babies in their reproductive life. It is also called as fecundity. This varies largely from individual to individual. It is usually studied on mean basis for the entire population. The study of biotic potential is useful to un..

. If they are not equal, the balancing of the equation is done by adjusting the coefficients before the symbols and formulae of the reactants and products. In qualitative terms, a chemical equation conveys: The names of various reactants and the products. In quantitative terms it represen..

Smallest unit of ecological hierarchy is the organism, while smallest and basic unit of taxonomic hierarchy is species. A group of individuals, having similar structural and functional characters, capable of potential interbreeding is termed as species. In nature all apecies exhibit cooperative and..

Let us consider two situations Suppose a block of mass 'm' rests on a rough horizontal table. It is dragged horizontally towards right through a distance 'l', and back to its initial position. Let ' m ' be the coefficient of friction between the block and the table. Let us calculate the w..

Charles formulated this law in 1787 giving the relationship between volume and temperature of a gas. This law stated that at constant pressure, the volume of a given mass of gas increases or decreases by 1/273 of its volume at 0 o C for every one degree rise or fall. ..