[Q4e: Only answer if you ABSOLUTELY know how to solve AND the answers match up (

Question

[Q4e: Only answer if you ABSOLUTELY know how to solve AND the answers match up ((tired of getting wrong replies.) So, please make sure you’re really certain. [It’s appreciated.])

Really Explain EACH STEP, including any formulas you used (& how to use the formula), and explain how to compute with a TI-84 preferably/when possible.]

NO JUST POSTING THE ANSWER WITH NO EXPLANATION/ NO CONVINCING EXPLANATION, I WILL ASSUME IT'S WRONG, AS HAS BEEN THE CASE BEFORE. IF YOU'RE THIS TYPE, MOVE ON.

Question

Question options:

1)

2)

3)

4)

5)

1)

When viscosity increases by 1 unit, lifetime decreases by 6.56 months, holding all other variables constant.

2)

When viscosity increases by 6.56 units, lifetime increases by 1 month, holding all other variables constant.

3)

When viscosity increases by 1 unit, lifetime increases by 6.56 months, holding all other variables constant.

4)

We do not have enough information to say.

5)

When viscosity decreases by 1 unit, lifetime increases by 6.56 months, holding all other variables constant. Predictor Constant viscosity load Coef -56.166 6.56 0.104 Stdev 68.853 0.641 0.049 t-ratio -0.82 10.24 2.11 0.4305 2.773e-07 0.05667 3 14 . 043 R-sq = 90 , 46% R-sq (adj ) = 88 , 87% Analysis of Variance SOURCE Regression Error Total DE 2 12 MS 11224.95 197.21 56.92 22449.91 2366.48 24816.39

Explanation / Answer

Option C is Correct. When viscosity increases by 1 unit, lifetime increases by 6.56 months, holding all other variables constant.

Because here coefficient of viscosity is 6.56 and it is positive, so if it is increase by 1 unit, then lifetime will increase by 6.56 months

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