Tag: statistics

This is an individual series because it is a simple list of raw data points that have not been grouped into classes or frequencies.

Pie charts, rectangular diagrams, and square diagrams are all two-dimensional representations because they use both length and width to represent data. Multiple bar diagrams are considered one-dimensional because only the height of the bars varies, while the width remains constant.

A time series consists of data points indexed in time order. Since the data is organized by year, it is a classic example of a time series.

In a statistical table, the source note is placed at the bottom, known as the footnote, to indicate where the data was obtained.

Footnotes are supplementary notes provided at the bottom of a table to clarify specific entries or provide additional context that does not fit into the standard headers or stubs.

Tabulation is designed to facilitate comparison between both rows and columns. Therefore, the statement that it facilitates comparison between rows and not columns is untrue.

The number of athletes who completed the race in $<14.6$ seconds is $n(13.8-14)+n(14-14.2)+n(14.2-14.4)+n(14.4-14.6)$

A 2-carat diamond costs 8 Lakhs. A 0.25-carat diamond costs 1 Lakh. To find how many 0.25-carat diamonds can be bought for 8 Lakhs, divide 8 by 1, which equals 8.