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Statistics

Statistics deals with collecting, organizing, and interpreting numerical data. An important aspect of statistics is the analysis of population characteristics inferred from sampling.

36,756 Questions

What is a frencency table?

A frequency table is a table that lists items and uses tally marks to record and show the number of times they occur.

Does it matter when using subtraction the order in which the numbers are presented?

Yes it matters. Subtraction is not commutative. Example:

5-2 = 3 (positive three), but 2-5 = -3 (negative three)

What is the meaning of giving value to others?

giving value is give some respect to others something based something event or something case about good or bad it something.

What are questions of box and whisker plot?

  • What are the minimum, lower quartile, median, upper quartile and maximum?
  • What the range and interquartile range are.
  • whether the data ore positvely or negatively skewed.
  • How two (or more) data sets compare in terms of the "average" and spread.

Do you have to simplify a ratio?

This depends on the context. However, it is good practice to reduce a ratio or a fraction to its lowest possible term. The only time you wouldn't simplify a ratio or fraction is if it signified something in its original state.

How can graphs be interpreted?

There are very many ways in which information can be presented in graphic form. On of my personal favourite graphs is Minard's graph of Napoleons's army's invasion of Russia: http://en.wikipedia.org/wiki/French_invasion_of_Russia#Weather_as_a_factor

The interpretation of the graph depends on what information is being plotted, with what axes and also what other information is plotted with it.

How do you read a line graph?

Each point on a line graph in 2-dimensional space can correspond to an ordered pair of values for two variables which is observed. Or, if it is a fitted line graph, it is an estimated ordered pair.

What are the advantages of using a frequency distribution chart?

A frequency distribution chart provides a clear visual representation of how data points are distributed across different categories or intervals, making it easier to identify patterns and trends. It helps summarize large datasets, allowing for quick insights into the data's central tendency and variability. Additionally, such charts facilitate comparisons between different datasets and can highlight outliers or anomalies effectively. Overall, they enhance data analysis and interpretation, making complex information more accessible.

What does three eighths plus one half equal to?

You can not sum these numbers directly. The common denominator of 8 must be used. 3/8+1/2 = 3/8 + 4/8 =7/8

What does Ochlocracy mean?

Ochlocracy is derived from Greek & Middle French. It means government by the mob, or mob rule.

Give two examples when practical significance would outweigh statistical significance?

Answer

A meaning that is expressed

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