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:

Axon

A thin, elongated extension of a neuron, or nerve cell, that generally transmits electrical signals away from the cell body of the neuron.

Neuronal Membrane

The lipid bilayer that encloses the cytoplasm of a neuron, crucial for maintaining the ion gradient and enabling the propagation of nerve impulses.

Ions

Charged particles that have either lost or gained electrons, playing critical roles in various biological processes, including nerve impulse transmission and muscle contraction.

Neutral Molecules

Neutral molecules are chemical species without any net electrical charge.