The Following Class Intervals for a Frequency Distribution Were Developed

question 6

Multiple Choice

The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school: $\begin{array}{c}\begin{array}{lll}\text {Salary}\\\\\\\\\\\\\end{array}\begin{array}{lll}\text {Number of Graduates}\\\text { (\$1,000s) } \\\text { 28-under } 31 \\\text { 31-under } 34 \\\text { 34-under } 35 \\\text { 35-under } 38 \end{array}\begin{array}{lll}\\\\-\\-\\-\\-\\\end{array}\end{array}$


Before data were collected, someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?

• A)The intervals are too wide.
• B)More classes are needed as the numbers are in the thousands.
• C)The first interval should start at 0.
• D)The second and the third interval overlap.
• E)The third interval is smaller than the others.

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Definitions:

Testing Effect

is a psychological phenomenon where the act of retrieving information from memory through testing enhances long-term memory retention.

Enhanced Memory

Improved recall or recognition of information compared to typical or average memory performance.

Repeated Retrieval

A practice involving the frequent retrieval of information from memory over time, which enhances memory consolidation and retention.

Functionalist

Related to a perspective in sociology and psychology that emphasizes the importance of understanding the purpose or function of societal institutions or mental processes.