For Exercises 85-90, refer to the table. The table gives the...

For Exercises $85-90,$ refer to the table. The table gives the closing stock prices (in dollars per share) for the first day of trading for the given month. $$\begin{array}{l|c|c|c|c|c} \text { Stock } & \text { January } & \text { February } & \text { March } & \text { April } & \text { May } \\ \hline \text { IBM } & \$ 97.27 & \$ 99.00 & \$ 92.27 & \$ 95.21 & \$ 103.17 \\ \hline \text { FedEx } & \$ 109.77 & \$ 111.89 & \$ 114.16 & \$ 106.07 & \$ 106.11 \\ \hline \end{array}$$ By how much did the IBM stock increase between January and May?

For Exercises $85-90,$ refer to the table. The table gives the closing stock prices (in dollars per share) for the first day of trading for the given month.
$$\begin{array}{l|c|c|c|c|c}
\text { Stock } & \text { January } & \text { February } & \text { March } & \text { April } & \text { May } \\
\hline \text { IBM } & \$ 97.27 & \$ 99.00 & \$ 92.27 & \$ 95.21 & \$ 103.17 \\
\hline \text { FedEx } & \$ 109.77 & \$ 111.89 & \$ 114.16 & \$ 106.07 & \$ 106.11 \\
\hline
\end{array}$$
By how much did the IBM stock increase between January and May?

Key Concepts

Time Series Data Analysis

Time series data analysis involves examining data points collected or recorded at successive points in time. This approach helps in understanding trends, patterns, and changes over a specified period. Analyzing such data often entails comparing values from different time periods to assess growth, decline, or overall progression.

Data Interpretation from Tables

Data interpretation from tables involves extracting relevant information presented in a structured format. This process requires identifying the specific data points of interest, such as values corresponding to particular time periods or categories, and then using these data points to perform further calculations or analyses.

Absolute Change

Absolute change is the simple difference between two values. It quantifies the increase or decrease in a measure by subtracting the initial value from the final value. This concept is widely used in various fields including finance, science, and statistics, to determine the actual amount of change without considering its direction relative to the original magnitude.

Subtraction Operation

The subtraction operation is a fundamental arithmetic process used to determine how much one quantity differs from another. In problems involving change over time or comparisons of measurements, subtraction is employed to calculate the difference, offering a clear numerical representation of the change.

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