Here I am giving you all the important formula of the engineering math 4 . These formulas will help in your college , university examinations , mid semester examination and in many competitive exams as you know formulas are very important for solving any problem. These will also helps in your upcoming AKTU exam. So prepare these formulas and solve some questions related to these formulas it will increase your confidence also.

**Topics :-**

Sampling, Testing of Hypothesis and Statistical Quality Control: Introduction , Sampling Theory (Small and Large) , Hypothesis, Null hypothesis, Alternative hypothesis, Testing a Hypothesis, Level of significance, Confidence limits, Test of significance of difference of means, T-test, F-test and Chi-square test, One way Analysis of Variance (ANOVA).Statistical Quality Control (SQC) , Control Charts , Control Charts for variables ( X and R Charts), Control Charts for Variables ( p, np and C charts)

**Multiple choice questions for practice :-**

**All important formulas of Engineering math-4 :-**

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- Bricks game | hacker earth problem
- Anti-Palindrome strings | hacker earth solution
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- odd one out || hacker earth problem solution
- Minimum addition | Hackerearth Practice problem
- The magical mountain | Hackerearth Practice problem
- The first overtake | Hackerearth Practice problem

__Hackerrank Problems:-__- Playing With Characters | Hackerrank practice problem solution
- Sum and Difference of Two Numbers | hackerrank practice problem solution
- Functions in C | hackerrank practice problem solution
- Pointers in C | hackerrank practice problem solution
- Conditional Statements in C | Hackerrank practice problem solution
- For Loop in C | hackerrank practice problem solution

__Data structure:-__

- Program to find cycle in the graph
- Implementation of singly link list
- Implementation of queue by using link list
- Algorithm of quick sort
- stack by using link list
- program to find preorder post order and inorder of the binary search tree
- Minimum weight of spanning tree
- Preorder, inorder and post order traversal of the tree

__Key points:-__

- How to set limit in the floating value in python
- What is boolean data type
- How to print any character without using format specifier

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