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Tables in Statistics: Introduction
A table is a form of a visual data that summarizes findings for a group of quantities. All information that is presented in tables is spread in rows and columns. Usually, data from a top row is associated with values given in a vertical column, which is usually on the left. Tables are very useful in representing scientific or economic data, which is helpful in education processes and professional field. For instance, a table may represent a change in temperature in a certain location during a yearly period (NASA Goddard, 2016). In such case, it would have 12 cells containing the values of the average temperature for each month. However, the study period may vary, and time may be defined by days or even hours. For example, there is a study of the temperature change over the Hayman Fire Scar, where researchers offer readers a table of with the results of measurements (Lemone, Bingcheng, Barlage, & Fei, 2017). Their table has four rows of data, each belonging to a specific date and time. Depending on the wish of its creator, this table may be either spread horizontally or vertically. Usually, this is determined by the documents parameters, as whether it would be better to wrap the text around a table or would it fit on one page.
Parts of the Table in Statistics
A standard table includes two key elements, which are rows and columns. Rows are structured horizontally, and columns appear vertically. An intersection of rows and columns forms cells. Each cell represents the connection between the values specified in them. For instance, this paper contains a table that represents the statistics of the daily average birth and death numbers for people living in the New York State. The second row consists of the value Vital Event and a sequence of years. These years are the study period of the mentioned conditions among the population. The column under the Vital Events value represents studied elements, which are births, deaths, and marriages. An intersection of a vital event and a year features a cell with a value that formally means how many cases like this happened on the average during a studied time. For instance, the cell on the intersection of the Total Births and 2014 values shows that there were on the average 950 children born each day in New York during this specified year.
While this table does not have a subcolumn, it is one of the elements that also regularly appears in tables (Kolin, 2016, p. 410). A subcolumn is used when a regular column is too general or can have different values depending on the measurement system. For example, the USA uses pounds, miles, Fahrenheit degrees, and other values, while European calculations are fully corresponding with the metric system. Thus, a table featuring temperature in rainforests over the years as a demonstration of the climate change threat may have this value specified by subcolumns showing both Fahrenheit and Celsius degrees. Another popular example includes cooking recipes, where ingredient amounts are presented in a form of a table. Some people are used to measuring ingredients in cups, while others prefer ounces.
The stub is another vital element of any table. It is the first column that appears on the left side. In the table that is presented in this paper, the stub has specifications of vital events. For instance, the first part of it includes such values as total pregnancies, teenage pregnancies, live births, low birthweight births, multiple births (mother), multiple births (baby), spontaneous fetal deaths, and induced abortions. The stub draws attention to the main variable that represents the object of a study.
A rule is another element that is essential to any table. It helps to separate the title from the main body featuring values. For instance, the presented table has a line between the cell containing the title Average Daily Statistics for Selected Vital Events: NYC 2008-2014 and the following row that has the studied value name and the years of statistical research. A rule can be either bold or similar to other cell border lines. In this case, it is the same as other borders, yet the cell containing the title has a different color that helps to distinguish it from the tables body.
General Rules for Using Statistical Table
There are several rules that help to create tables which are easy to read and understand. Most of these rules concern the proper positioning of elements, as well as the whole table. Certain design and referencing are also important.
The first rule is to keep the tables positioned where they would have the most value. Sometimes authors decide to put all the statistical information in the end of their work in a form of attachments. This is usually the case with long reports published individually, or scholarly works that are submitted as a course assignment. However, media like books or magazines usually feature tables beside the text describing them. Such step makes readers better associate the writing with the statistical data pictured in a visual form. Besides, it may be difficult to follow the text when there is a need to constantly refer to the end of the work to check the data described. Tables are usually put at the top or bottom of the page, and most of them are centered. However, this largely depends on the media type. Thus, books with creative design often place tables at any part of the page. Another important guideline is not to make a table too wide or long. It is more preferable to have all the data organized vertically instead of horizontally. Besides, breaking a table into several pages makes it more difficult to read. Nevertheless, it is often a necessity, as it is with the table presented here as an example. Usually, voluminous tables contain a lot of statistical data regarding numerous values that were studied over a long period.
Referencing and notes are one of the most important features of each table. An author may wish to add specifications to any values presented in the table. However, since all the information in its body must be kept short and accurate, authors often use footnotes or star references below a table. For instance, the example in this paper has a specification for the Deaths Any Mention of a Cause value since there might be a misunderstanding of the data presented under it. This table uses the information presented in a report done by the Health Department in the NY state. Thus, a scholar should reference it following the APA style guidelines (Purdue Online Writing Lab, n. d.). Finally, all tables must be numbered if there are several of them.
References
Kolin, P. C. (2016). Successful writing at work (11th ed.). Boston, MA: Cengage Learning.
Lemone, M. A., Bingcheng, W., Barlage, M., & Fei, C. (2017). The influence of fire-induced surface changes on the diurnal temperature changes over the Hayman Fire Scar. Journal of Applied Meteorology and Climatology, 56(1), 45-67. Web.
NASA Goddard. (2016). NASA sees temperatures rise and sea ice shrink climate trends 2016. Web.
Purdue Online Writing Lab. (n. d.). General format. Web.
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