Question

Q2. You are given 3 liquids - lime water , lemon juice and salt water. Can you identify them if you are given only blue litmus papers? Explain.

Answer 1

Answer:

FOLLOWING IS THE ANSWER:

The given blue litmus paper is dipped in the given solutions. The solution which turns blue litmus red is acidic solution. Now Tear this blue litmus turned red into 2 halves. Now, the solution which turns it blue again is the acidic solution and the one which does not affect it is distilled water.

Answer 2

Yeah I can identify...

Types of sampling methods:1- Simple Random Sampling (SRS)2- Stratified Sampling. 3- Cluster Sampling. 4- Systematic Sampling. 5- Multistage Cluster Sampling (in which some of the methods above are combined)Examples: for statistics there are softwares used for statistical methods, like snap survey software

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