Exam 3: Descriptive Statistics

What type of distribution is depicted below?

What is the percentile rank that is equivalent to the mean?

The mean, median, and mode make up ___.

In a university, all students are given a new student identification number upon registration. These numbers are on what scale?

The following set of data has what type of distribution? 88, 33, 78, 56, 44, 37, 90, 99, 76, 78, 77, 62, 90?

In your own words, please describe why it is important to graph data.

Which of the following indicates a raw score?

What term describes a set of data in which the mean is less than the most frequently occurring scores?

The square root of the variance is the sum of squares.

The ribbons awarded in a painting contest illustrate which scale?

A set of data has a symmetrical distribution of scores with the mean, median, and mode represented by the number 82. This set of data represents a ___.

Numbers pinned on the shirts of runners in a marathon are numbers used on the ___ scale.

Variance is described as the degree or amount of dispersion in a data set.

When the mean score is represented as ± 2, what type of score is this?

An individual with an IQ of 70 may be classified as which of the following?

A person who scores at the 85%tile scored as well or better than which of the following groups?

Discuss at least five different mistakes that are easily made by professionals in the process of identifying students with special needs.

Explain how a mean score can be influenced by extremely high or extremely low scores in a data set.

The ___ scale has a true meaning of absolute zero.

This scale's numbers are used for identification that ranks greater or lesser quality or amount. The numbers are equidistant on the scale.