A Sewing Supply Company Has a Database of Tens of Thousands

question 11

Essay

A sewing supply company has a database of tens of thousands of products that they sell in their stores.One of the variables in the database,Thread_Colour,contains the names of the colors of the various spools of thread that are sold.The most commonly sold are white,black,and brown,but there are also magenta,azure,sea foam green,and nutmeg,to name a few others.In all there are more that 500 different colours,each with a corresponding numeric code.Here are a few of them:

An intern who was asked to analyze the company's thread sales presented these summary statistics for the variable Thread_Colour:

a)What does the mean of 35.89 mean?
b)What are the typical reasons that cause measures of centre and spread to be as different as those in this table?
c)Is that why these are so different?

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Definitions:

CPU

Central Processing Unit, the primary component of a computer that performs the majority of its calculations and processing tasks.

Generation Languages

Different levels of computer languages, from low-level (closer to binary code) to high-level languages (closer to human languages).

Symbols

Marks or characters used to represent objects, functions, or processes.

Commands

Instructions given by a user or program to a computer to perform specific operations.