Exam 10: Analysis of Quantitative Data

A _____________________ is when the data looks like a diagonal line from the lower left to the upper right. Higher values on X tend to go with higher values on Y, and vice versa.

The independent variable forms the horizontal or X axis.

Coding procedures are _______________________.

When there is no statistical relationship between variables we refer to that as ______.

The _______ is the arithmetic average of a distribution of scores.

The plot of a negative relationship looks like a diagonal line from the lower left to the upper right.

A _____________ occurs when the researcher says that a relationship exists when in fact none exists. It means falsely rejecting a null hypothesis.

In a positive relationship, higher values of X tend to go with higher values of Y.

A ______________ is when the data looks like a line from the upper left to the lower right. It means that higher values on one variable go with lower values on the other.

Calculate the mode from this list of numbers: 6, 5, 7, 10, 9, 5, 3, 5.

A _______________ is a set of rules stating that certain numbers are assigned to variable attributes.

What is a skewed distribution?

A ______________ is a document describing the coding procedure and the location of data for variables in a format that computers can use.

The systematic reorganization of raw data into a format that is computer readable is called _________.

The plot of a positive relationship looks like a diagonal line from the upper left to the lower right.

Precoding is _________________.

A single number that expresses the strength, and often the direction, of a relationship is called_________________.

Explain the difference between a positive relationship and a negative relationship and give a graphical example of both.

Covariation _______________.

The __________ indicates the score at a specific place within a distribution of scores.