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With reference to index numbers, which of the following statements is true?
The standard error of the given data 15, 5, 12, 10, 20, 4 is
The memory-less property is followed by which of the following continuous distribution:
For two items, tea (1 kg) and sugar (1 kg), the prices in the year 2019 were ₹100 and ₹50, respectively, whereas the prices in the year 2020 were �...
A random sample of size 225 is drawn from the population of mean μ and standard deviation σ. The sample mean follows the distribution with mean 100 a...
Two data sets of sizes 6 and 9 have standard deviation 3 and 4, respectively, and arithmetic means 4 and 4, respectively. The standard deviation of com...
The incomes of the employees in a state is assumed to be normally distributed with mean ₹15,000 and variance ₹900. The median of the distribution o...
In a two-way ANOVA table
the value of x, FA, FB are:
For a normal distribution, which of the following is true?
The second and fourth moment about mean for a distribution are 4 and 18 respectively. What is the value of Pearson's coefficient of skewness β ₂ ? ...