Quantitative and Qualitative Variables: Data (2021)

The post is about Quantitative and Qualitative Variables. First, we need to understand the concept of data and variables. Let us start with some basics. The word “data” is used in many contexts and is also used in ordinary conversations frequently. Data is Latin for “those that are given” (the …

Read Complete Post

Skewness and Measures of Skewness (2021)

If the curve is symmetrical, a deviation below the mean exactly equals the corresponding deviation above the mean. This is called symmetry. Here, we will discuss Skewness and Measures of Skewness. Skewness is the degree of asymmetry or departure from the symmetry of a distribution. Positive Skewness means when the …

Read Complete Post

Quantiles or Fractiles Uncovered (2020)

When the number of observations is sufficiently large, the principle by which a distribution is divided into two equal parts may be extended to divide the distribution into four, five, eight, ten, or hundred equal parts. The median, quartiles, deciles, and percentiles values are collectively called quantiles or fractiles. Let …

Read Complete Post

MCQs Statistics Online Test 10

This quiz contains MCQs Statistics Online Test with answers covering variable and type of variable, Measures of central tendency such as mean, median, mode, Weighted mean, data and type of data, sources of data, Measures of Dispersion/ Variation, Standard Deviation, Variance, Range, etc. Let us start the MCQs Statistics Online …

Read Complete Post