Descriptive Statistics (FD and Ways of Presenting Data)

Summarizing a group of scores (data) or otherwise making them more understandable

Organized tabulation of the number of individual having each of different values for a particular variable

What is the symbol for "samples"?

• n

• N

What is the symbol for "population"?

• n

• N

It measures the fraction of the total group that is associated with each score

An amount of something often expressed or a number out of 100.

Frequency table in which the number of individual (frequency) is given for each interval of values

Range of values in which a group frequency table that are grouped together

Bar-like graph of a a frequency distribution in which the values are plotted along the horizontal axis and the height of each bar is the frequency at that value; the bars are usually placed next to each other without spaces, giving the appearance of a city skyline.

• Histogram

• Frequency Polygon

• Column Chart

A Data visualization where each category is represented by a rectangle, with the height of the rectangle being proportional to the values being plotted.

• Histogram

• Frequency Polygon

• Column Chart