Exam 15: Measurement and Statistical Methods

Measurements of age use a(n) ________ scale.

When the dots on a scatter plot form a cigar shape, the correlation is ________.

In the set of scores 90, 80, 70, the ________.

Correlations ________ causality.

A thermometer uses a(n) ________ scale.

The following distribution is ________.

A high correlation coefficient is indicated by correlations in the range ________.

The median for the set of scores 12, 28, 33, 45, 67, 67, 98 is ________.

In a set of incomes in which most people are in the $30,000-$40,000 range, which measure of central tendency would be most disturbed by an income of $2,000?

A low correlation coefficient is indicated by correlations in the range ________.

Plotting a normal distribution on a graph yields a ________.

In a set of test scores, the mean is 10 and the standard deviation is 2. With these two numbers we know that 95% of the scores fall between ________.

A moderate correlation coefficient is indicated by the correlations in the range ________.

A statistical procedure for combining the results of several studies so the strength, consistency, and direction of the effect can be measured is known as ________.

A scale that tells us about order but nothing about the distances between the quantities that are ordered is a(n) ________ scale.

About ________ percent of scores fall between 2 standard deviations above and below the mean.

For the numbers 100, 90, 80, 60, the range is ________.

In a frequency histogram, frequency is usually marked along the ________.

A perfect negative correlation occurs when the dots on a scatter plot form a ________.

An IQ test typically rates people according to a(n) ________ scale.