Graphs are used
to identify a distributions center, spread, clusters of data,
gaps in the data, and shape.
be used with frequencies, relative frequencies, and densities.
If drawing a
histogram by hand, there should be no gaps between the classes
unless no observations are in that class.
frequency plots are always non-increasing.
Histograms, Cumulative Frequency Plots
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.
The book includes five full length practice exams in addition to a full 15 chapters of review that is divided into the four major themes on the statistics test: Exploratory Analysis, Planning a Study, Probability, and Statistical Interference.
The book includes 2 full length practice tests with detailed answers and explanations, a full review of the subject material presented, and step-by-step techniques for cracking each type of statistical analysis question.