Z-test
Z-test is a statistical method to determine whether the distribution of the test statistics can be approximated by a normal distribution. It is the method… Read More »
Z-test is a statistical method to determine whether the distribution of the test statistics can be approximated by a normal distribution. It is the method… Read More »
Levene’s test is used to assess the equality of variance between two different samples. For every case, it calculates the absolute difference between the value… Read More »
In the previous article, we discussed hypothesis testing which is the backbone of inferential statistics. We previously discussed the basic hypothesis testing including Null and… Read More »
A recurrence relation is an equation that recursively defines a sequence or multidimensional array of values, once one or more initial terms are given; each… Read More »
Prerequisite – Permutation and Combination Formula’s Used : 1. P(n, r) = n! / (n-r)! 2. P(n, n) = n! Example-1 : How many 4-letter… Read More »
Coset is subset of mathematical group consisting of all the products obtained by multiplying fixed element of group by each of elements of given subgroup,… Read More »
Disjunctive Normal Forms (DNF) : A formula which is equivalent to a given formula and which consists of a sum of elementary products is called… Read More »
Secant method is also a recursive method for finding the root for the polynomials by successive approximation. It’s similar to the Regular-falsi method but here… Read More »
Statistics is a branch of mathematics dealing with the collection, analysis, interpretation, and presentation of masses of numerical data. It is basically a collection of… Read More »
Linear Algebra is one of the most important topics in Engineering Mathematics Gate syllabus. Finding determinant of a matrix is one of the most important… Read More »
If nth term of a sequence is given by Tn=an3+bn2+cn+d where a, b, c, d are constants then sum of n terms. Sn = a*Σ(n3)+b*Σ(n2)+c*Σ(n)+Σ(d)… Read More »
These are following important points about circle in geometry : Equation of circle having center at (0, 0) and radius r : x2+y2=r2 Equation of… Read More »
Finding the LCM and HCF are most frequently asked questions in any competitive exams. Finding LCM and HCF for natural numbers are taught in our… Read More »
“9 is special magic number in case of finding remainder.” Because if you want to find remainder of any number when divided by 9, just… Read More »
The use of delimiters soon becomes important when dealing with anything but the most trivial equations. Without them, formulas can become ambiguous. Also, special types… Read More »