Blog

The lines extending from the center “box” in a box-plot are called ______.

The major difference between a frequency histogram and a bar graph is that, in a bar graph, the bars are drawn such that they:

The management function that manages and maintains mutually beneficial relationships between an organization and the various publics on whom its success depends is called mass communication. 

Which effect causes people to perceive messages with an intended positive emotion as neutral?

Round the following value to four decimal places: 3.45509

Which of the following levels of measurement involves variables that are qualitative?

A researcher studies the relationship between the amount of time spent studying for an exam and the number of errors made.  A sample of twenty students who have the same GPA are randomly assigned to one of four groups:  1, 2, 3, or 4 hours of study time. After studying the specified time, all students took an identical exam and the number of errors each student made was counted. What is the independent variable?

What information is provided in a typical stem-and-leaf plot?

When the levels of a variable can be ordered on some continuum or dimension from high to low, that variable is said to be measured on at least a(n) _____ level.

Write the standard form equation of the parabola with a focus at (4,-1) and a directrix at y=5.    You should show work for this problem.