Exam 3: A Statistics Refresher

A raw score is so called because it is

Which is the MOST common factor influencing a decision as to the size of class interval in a grouped frequency distribution?

Rank-ordering individuals on the variable of leadership ability is an example of which type of scale?

Which statistic describes the most frequently occurring test score?

Arithmetic mean is to ________ as median is to ________.

The median is not an appropriate measure of central tendency for

Kurtosis refers to steepness in the ________ of the distribution.

In a positively skewed distribution,which of the following is true?

If the results of an examination are positively skewed,the exam questions were likely

A testtaker who scores at the 5^th stanine is scoring

The statistical combination of information across studies is referred to as

If an outlier exists in graphed test-related data it may signal

What is the relationship between the coefficient of determination and the correlation coefficient?

Which of the following is TRUE of the Pearson r?

The data from most psychological tests could BEST be characterized as which level of measurement?

In calculating the mean of a distribution of test scores,the person analyzing the data takes account of:

T score is to 50 as:

Which is the most common type of scale used in psychological tests?

Which of the following statistics is the preferred measure of central tendency for a skewed distribution?

Psychologists often treat data from _______________ scales as though they were from _______________ scales because the latter are more versatile statistically.