Solve the Problem A) 696
B) 57

question 173

Short Answer

Solve the problem.
-A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. By using linear regression, the following function is obtained: y = 88.6 - 1.86x where x is the number of hours spent in the lab and y is grade on the test. Use this function to predict the grade of a student who spends 19 hours in the lab. $\begin{array} { c c } \text { Number of hours spent in lab } & \text { Grade (percent) } \\\hline 10 & 96 \\11 & 51 \\16 & 62 \\9 & 58 \\7 & 89 \\15 & 81 \\16 & 46 \\10 & 51\end{array}$
A) 69.6
B) 57.1
C) 49.3
D) 53.3

• A) 69.6
• B) 57.1
• C) 49.3
• D) 53.3

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Definitions:

Occupation

A person's profession or main source of income, often reflecting their skills, training, and interests.

Feminine Beauty

Societal standards and perceptions of what is considered attractive or desirable in women.

Natural Appearance

The look of someone or something without alteration, enhancement, or makeup.

Fashions

A prevalent custom, style, or behavior in clothing, accessories, or manner of conduct that is popular at a particular time or place.