Jessica Wants to Purchase a New Hard Drive

question 18

Multiple Choice

Jessica wants to purchase a new hard drive. She wants a drive that has fast access because she will use it to edit videos on her PC. She also needs a lot of storage and wants to have at least 4 TB available to save her videos. Jessica wants to keep the cost down as much as possible possible.
What type of hard drive should Jessica purchase?

• A) 5400 RPM magnetic HDD
• B) 7200 RPM magnetic HDD
• C) SSD HDD
• D) USB HDD

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Definitions:

Centered Moving Average

Centered Moving Average is a calculation used to smooth out data series by averaging consecutive subsets of data points centered around each point, often used in time series analysis.

Least Squares

A mathematical method used in regression analysis to find the best-fitting line through a set of data points by minimizing the sum of the squares of the vertical distances of the points from the line.

Time-Series Data

Data points collected or recorded at time intervals, allowing analysis of patterns, trends, and forecasting.

Trend Equation

A mathematical formula that fits a line to a set of data points in a way that best expresses the relationship and tendency over time.