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Which two of the following statements are true?  a) Skewness studies the flatness or peakedness of the distribution  b) A positively skewed distribution curve is stretched more to the right than to the left  c) On the basis of empirical relationship between mean, mode and median for moderately asymmetrical distribution, Karl Pearson's coefficient of skewness can be measured by 3 (Mean -Median) divided by Standard Deviation  d) If mean < mode, the distribution is positively skewed  Choose the correct option from those below: 
Statement I Exponential probability distribution has the mean = $$\frac{1}{\mu }$$ and variance = $$\frac{1}{{{\mu ^2}}}$$
Statement II The mean, median and mode do not coincide in the normal distribution.
Statement III The binomial distribution is symmetrical for any value of p (probability of success).
Which theory predicts the chromatographic elution peak approximate to distribution related to Poisson distribution?
If in a Binomial distribution P is very small and n is very large but nP = m. i.e., expected or mean value of binomial distribution is not negligible, then if approximate closely to the
Which of the following is a type of Public Distribution System (PDS)? I. Universal Public Distribution System II. targeted public distribution system
In the question given below is given a statement followed by two conclusions. You have to assume everything in the statement to be true and decide which of the conclusion logically follows beyond a reasonable doubt from the information given in the statement. Statements: Only students having first division are invited to annual prize distribution function. Conclusions: I. No students of first division will be absent on annual prize distribution function. II. Students came in annual prize distribution function will be first divisions.
The age distribution of 40 children is as follows: Age (in years)  5 – 6   6 – 7   7 – 8   8 – 9   9 – 10   10 – 11   Number of children  4 7 9 12 6 2   Consider the following statements in respect of the above frequency distribution: 1. The median of the age distribution is 7 years 2. 70% of the children are in the age group 6 – 9 years. 3. The modal age of the children is 8 years. Which of the above statements are correct?
Read the given passage and answer the question that question that follow. Water is considered as one of the basic necessities of life. Privatising water would improve its distribution but it will subsequently make its distribution profit centric and as a result, it  would lead to a rise in its price. This increase in price would make it unaffordable for many people. Distribution of water should be done by the Government as only then it would be done to benefit the public and not for profits.  Which of the following argument could be made from the above passage?
Match the List - I with List - II and select the correct answer from the code given below : List-I  (Map Type) List-II  (Information Content) A. Chorochromatic 1. Showing regional variation In distribution by shades B. Choroschematic 2. areal distribution by Tints C. Choropleth 3. Showing imaginary lines Joining places of equal value D. Isopleth 4. areal distribution by symbols
Many studies have demonstrated that the distribution of similarity scores assumes a peculiar shape that resembles a highly skewed normal distribution with a long tail on one side. The distribution matches the _______