Civil Engineering (CE) Exam > Civil Engineering (CE) Videos > Engineering Mathematics > Statistics & Probability
Statistics & Probability Video Lecture | Engineering Mathematics - Civil Engineering (CE)
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FAQs on Statistics & Probability Video Lecture - Engineering Mathematics - Civil Engineering (CE)
| 1. What is the difference between statistics and probability? |  |
Ans. Statistics and probability are closely related but have distinct meanings. Statistics involves collecting, analyzing, interpreting, and presenting data to make conclusions and predictions about a population. On the other hand, probability deals with the likelihood of events occurring and uses mathematical tools to quantify uncertainty.
| 2. How is probability used in statistics? | |
Ans. Probability is a fundamental concept in statistics. It allows statisticians to assign numerical values to uncertain events and calculate the likelihood of their occurrence. Probability is used to make predictions, estimate population parameters, and assess the uncertainty of statistical models.
| 3. What is a random variable in statistics and probability? | |
Ans. In statistics and probability, a random variable is a variable that takes on different values based on the outcome of a random event. It is often represented by a letter, such as X, and can be either discrete (taking on a countable number of values) or continuous (taking on any value within a range).
| 4. How does hypothesis testing relate to statistics and probability? | |
Ans. Hypothesis testing is a statistical technique that uses probability to assess the validity of a claim about a population. It involves formulating a null hypothesis (no effect or difference) and an alternative hypothesis, collecting data, and using statistical tests to determine the probability of observing the data if the null hypothesis were true. This allows researchers to make conclusions based on the evidence provided by the data.
| 5. What are confidence intervals in statistics and probability? | |
Ans. Confidence intervals are a range of values that provide an estimate of the unknown population parameter with a certain level of confidence. They are used in statistics and probability to quantify the uncertainty associated with estimating population parameters based on sample data. A typical confidence interval is expressed as a range, such as "95% confidence interval," which means that if the sampling process were repeated multiple times, 95% of the intervals constructed would contain the true parameter value.
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Video Description: Statistics & Probability for Civil Engineering (CE) 2025 is part of Engineering Mathematics preparation.
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Video Lecture & Questions for Statistics & Probability Video Lecture | Engineering Mathematics - Civil Engineering (CE) - Civil Engineering (CE) full syllabus preparation | Free video for Civil Engineering (CE) exam to prepare for Engineering Mathematics.
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