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The process of converting discrete-time continuous valued signal into discrete-time discrete valued (digital) signal is known as ____________
For evaluation probability of measurement of length of a part being a certain value, discrete probability distributions can be used.
Suppose two distributions have the same mean, same standard deviation and are equally skewed, but the first distribution is more peaked than the other. This feature of the frequency distributions in which they are different are called:
For the distributions given below:   Which of the following is correct for the above distributions?
For a lognormal random variable, what is the value of mean?
The cumulative distribution function for the lognormal distribution is given by _____ \) b) \(\phi\) c) \(\phi\) d) \(\phi\)
The variance of lognormal distribution is given by ____
For the calculation of Cpk the quality characteristic should have a lognormal distribution.
Consider the following statements with respect to Discrete Fourier Transform (DFT): 1. It is obtained by performing a sampling operation in the time domain. 2. It transforms a finite duration sequence into a discrete frequency spectrum. 3. It is obtained by performing a sampling operation in both time and frequency domains. Which of the above statements is/are correct?
Consider the following statements: 1. A continuous random variable can take all values in an interval. 2. A random variable which takes a finite number of values is necessarily discrete. 3. Construction of a frequency distribution is based on data which are discrete. Which of the above statements are correct?