The Following Data Are Test Grades for a University Business

question 17

Essay

The following data are test grades for a university business statistics class. $$\begin{array} { | r | r | r | r | r | r | r | r | r | r | } \hline 63 & 74 & 42 & 65 & 51 & 54 & 36 & 56 & 68 & 57 \\\hline 62 & 64 & 76 & 67 & 79 & 61 & 81 & 77 & 59 & 38 \\\hline 84 & 68 & 71 & 94 & 71 & 86 & 69 & 75 & 91 & 55 \\\hline 48 & 82 & 83 & 54 & 79 & 62 & 68 & 58 & 41 & 47 \\\hline\end{array}$$ a. Construct a cumulative frequency distribution and a cumulative relative frequency distribution for the data.
b. What proportion of the grades is less than 60?
c. What proportion of the grades is more than 70?

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Definitions:

Solitary Play

A development stage where a child plays alone, focusing on their activities without seeking interaction with others.

Onlooker Play

A form of play where a child watches other children play but does not join in, though they may interact verbally.

Associative

Relating to or involving the formation of associations or connections between ideas, feelings, or sensations.

Cooperative

Working together willingly towards a common goal or benefit.