A constant variable can take values________?

Frequency table is an arrangement of data by classes together with their ________ class frequencies?

In a week the prices of a bag of rice were 350,280, 340, 290, 320, 310, 300. The range is________?

Data which is not arranged in ascending or descending order is called ________?

If ________ then the distribution is positively skewed?

In normal distribution u2 = S2 and u4 =________?