The Following Is a Frequency Distribution for the Ages of a Sample

question 95

Essay

The following is a frequency distribution for the ages of a sample of employees at a local company. $$\begin{array}{l}\text { Age } &\text { Frequency }\\30 - 39 & 2 \\40 - 49 & 3 \\50 - 59 & 7 \\60 - 69 & 5 \\70 - 79 & 1\end{array}$$ ​
a.
Determine the average age for the sample.
b.
Compute the variance.
c.
Compute the standard deviation.
d.
Compute the coefficient of variation.

Explain self-handicapping behaviors and their psychological motivations.

Understand the overjustification effect, its implications on motivation and behavior, and ways to mitigate it.

Analyze the effects of cognitive errors and biases on self-perception and behavior in social contexts.

Define belief perseverance and its impact on attitude and belief systems.

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Definitions:

Adenine

A purine nucleobase used in the formation of DNA and RNA, involved in coding genetic information and energy transfer.

Thymine

One of the four nucleobases in the DNA of cells, which pairs with adenine.

Adenine Bases

One of the four nucleotide bases found in DNA and RNA, which pairs with thymine in DNA and with uracil in RNA.

Guanine

One of the four main nucleobases found in the nucleic acids DNA and RNA, characterized by its pairing with cytosine.