Planning and Conducting Surveys & Experiments: An Engineering Data Analysis Guide, Exercises of Electrical and Electronics Engineering

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P L A N N I N G A N D^ C O N D U C T I N G

Surveys

&^ Experiments

E N G I N E E R I N G D A T A A N A L Y S I S W I T H E N G R. A D A M J U D E P A S I O N , E C T

P L A N N I N G A N D C O N D U C T I N G S U R V E Y S A N D E X P E R I M E N T S

Steps in planning a survey

1 What is the purpose of the survey? 2 What is your target group? 3 How do you reach your target group? 4 What is the limit of the scope? 5 What questions should the survey contain?

P L A N N I N G A N D C O N D U C T I N G S U R V E Y S A N D E X P E R I M E N T S

Steps in conducting a research

1 Problem & Objectives 2 Responses & Factors 3 Designing the Experiment 4 Conducting the Experiment

P L A N N I N G A N D C O N D U C T I N G S U R V E Y S A N D E X P E R I M E N T S

Experimental Design Terminologies

Control Group. The group of the experimental design not exposed to treatment. The difference in the performance of the control group and the treatment group measures the effects of the full treatment on the treatment group.

P L A N N I N G A N D C O N D U C T I N G S U R V E Y S A N D E X P E R I M E N T S

Data collection methods in research

1 Observational Study 2 Simulations

B I N O M I A L D I S T R I B U T I O N

Bernoulli Experiment

Only 2 possible outcomes: Success and Failure

B I N O M I A L D I S T R I B U T I O N e.g. Flipping a coin

B I N O M I A L D I S T R I B U T I O N e.g. We flip a coin 10 times, what is the probability of obtaining heads 7 times?

B I N O M I A L D I S T R I B U T I O N e.g. A balanced, six-sided die, is rolled 3 times. What is the probability a ‘5’ comes up exactly twice?