Basic Info
If you don't start with data you can trust, what you'll have after your data are analyzed are results you cannot trust.
What is garbage in/garbage out
Used to organize and describe the characteristics of a collection of data.
What are descriptive statistics.
Which measure of central tendency you use depends on certain characteristics of the data you are working with, specifically the ________________.
What is the scale of measurement
Reflects how much scores differ from one another.
What is variability
You do this to ensure nothing is left to the misunderstanding of the audience reviewing your data.
What is label everything.
The larger group of data represents an entire group of focus.
What is the population
The descriptive statistic that summarizes the most frequent choice.
What is the mode.
Characteristics of an outcome that fits into one and only one class or category.
What is the nominal level of measurement
The simplest measure of variability and kind of intuitive.
What is the range.
Too many words, or words that are too large (both in terms of physical size and idea-wise), can distract from the visual message charts convey. Therefore, you should _____________.
What is limit the number of words you use.
A smaller group of data is often called this.
What is a sample
A descriptive statistic that identifies the average.
What is the mean.
What is the ratio level of measurement
_________ represents the average amount of variability in a set of scores.
What is the standard deviation.
A ___________ should convey what you want to say.
What is a chart
A collection of numbers gathered is called.
What is a data set or data.
Also considered an average, this level of measurement is defined as the midpoint in a set of scores.
What is the median.
Characteristic of things being measured is that they are ordered
What is an ordinal level of measurement
____________________tells us how much each score in a set of scores, on the average, varies from the mean.
What is a measure of variability
___________ refers to the proportional relationship between the horizontal and vertical axes.
What is the scale
This term describes a set of tools and techniques that are used for describing, organizing, and interpreting information or data.
What are statistics.
Averages are also called this.
What are measures of central tendency.
A distinguishing characteristic of this type of scale is that the intervals or spaces or points along the scale are equal to one another.
What are interval level scales or interval levels of measurement
______________ is the standard deviation squared.
Before you create a chart or graph, you should do this
What is plan out your chart