Use the Data Given Below to Answer the Following Question(s)

question 47

Multiple Choice

Use the data given below to answer the following question(s) .
Following is the Sales database of Pointler's Inc., a manufacturer of clothing material. $\begin{array}{|l|l|l|l|l|l|}\hline \begin{array}{l}\text { Item } \\\text { Type }\end{array} & \text { Item } \mathrm{ID} & \text { Region } & \text { Buyer } & \begin{array}{l}\text { Unit } \\\text { Cost } \\(\$) \end{array} & \text { Units } \\\hline \text { Denim } & \text { D101 } & \text { Quintasia } & \text { Peter } & 9.79 & 101 \\\hline \text { Cotton } & \text { C101 } & \text { Prioland } & \text { Kane } & 27.79 & 56 \\\hline \text { Denim } & \text { D102 } & \text { Prioland } & \text { Jones } & 12.79 & 42 \\\hline \text { Leather } & \text { L101 } & \text { Prioland } & \text { Gerry } & 27.79 & 33 \\\hline \text { Denim } & \text { D103 } & \text { Dygertia } & \text { Sarah } & 10.79 & 62 \\\hline \text { Cotton } & \text { C102 } & \text { Quintasia } & \text { Peter } & 12.79 & 66 \\\hline \text { Denim } & \text { D101 } & \text { Prioland } & \text { Audrey } & 9.79 & 81 \\\hline \text { Denim } & \text { D102 } & \text { Prioland } & \text { Jones } & 12.79 & 96 \\\hline \text { Denim } & \text { D101 } & \text { Dygertia } & \text { Thomas } & 9.79 & 38 \\\hline \text { Cotton } & \text { C103 } & \text { Quintasia } & \text { Peter } & 16.79 & 66 \\\hline \text { Denim } & \text { D102 } & \text { Prioland } & \text { Mary } & 12.79 & 96 \\\hline \text { Cotton } & \text { C105 } & \text { Quintasia } & \text { Henry } & 9.79 & 35 \\\hline \text { Cotton } & \text { C101 } & \text { Quintasia } & \text { Philip } & 27.79 & 87 \\\hline \text { Denim } & \text { D102 } & \text { Quintasia } & \text { Peter } & 12.79 & 41 \\\hline \text { Jute } & \text { J101 } & \text { Prioland } & \text { Simson } & 132.8 & \text { 8 } \\\hline \text { Fur } & \text { F101 } & \text { Quintasia } & \text { Peter } & 23.79 & 22 \\\hline \text { Cotton } & \text { C103 } & \text { Prioland } & \text { Mary } & 16.79 & 34 \\\hline \text { Leather } & \text { L102 } & \text { Quintasia } & \text { Peter } & 16.79 & 70 \\\hline \text { Leather } & \text { L101 } & \text { Quintasia } & \text { Philip } & 27.79 & 21 \\\hline \text { Fur } & \text { F102 } & \text { Prioland } & \text { Kane } & 12.79 & 102 \\\hline \text { Denim } & \text { D104 } & \text { Prioland } & \text { Simson } & 9.09 & 73 \\\hline \text { Fur } & \text { F101 } & \text { Quintasia } & \text { Philip } & 23.79 & 80 \\\hline \text { Cotton } & \text { C103 } & \text { Prioland } & \text { Gerry } & 16.79 & 52 \\\hline \text { Cotton } & \text { C104 } & \text { Prioland } & \text { Simson } & 22.8 & 93 \\\hline \text { Cotton } & \text { C101 } & \text { Quintasia } & \text { Peter } & 12.79 & 10 \\\hline\end{array}$
-To construct a frequency distribution for categorical data, the

• A) observations that appear in each category must be summed up.
• B) number of observations that appear in each category must be counted.
• C) observations in each category must be multiplied by observations in the corresponding category.
• D) number of observations in each category must be divided by the total number of observations in all categories.

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Definitions:

Conclusions

Statements or judgments that are arrived at by reasoning from evidence or facts.

Experiment

A research method involving the manipulation of one or more independent variables to determine their effect on a dependent variable, within a controlled environment.

Control Group

A group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested groups do.

Caffeine

A stimulant commonly found in coffee, tea, chocolate, and some medications, affecting the central nervous system.