Find the Value of the Linear Correlation Coefficient R
-Two

question 78

Multiple Choice

Find the value of the linear correlation coefficient r
-Two different tests are designed to measure employee productivity and dexterity. Several employees are randomly selected and tested with these results. $\begin{array}{cc|c|c|c|c|c|c|c|c|c}\text { Productivity } & 23 & 25 & 28 & 21 & 21 & 25 & 26 & 30 & 34 & 36 \\\hline \text { Dexterity } & 49 & 53 & 59 & 42 & 47 & 53 & 55 & 63 & 67 & 75\end{array}$

• A) \(0.471\)
• B) \(0.115\)
• C) \(- 0.280\)
• D) \(0.986\)

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Definitions:

Ordinary Annuity

A series of equal payments or receipts that occur at the end of each period for a fixed duration.

Compounded Annually

Describes the method by which the interest earned on an investment is calculated and added to the principal balance once per year, leading to an increase in the amount of future interest.

Compound Interest

Interest calculated on the initial principal and also on the accumulated interest of previous periods of a deposit or loan.

Semiannual Interest

Interest that is paid or calculated twice a year, often used in bond payments.