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Time Series & Trend · Question 46 of 68

Question 46

EasyOriginal question

The trend line for a firm's sales is y=40+3.5xy = 40 + 3.5x, with xx in years from 2022. What trend value does it give for 2026?

Options for question 46

Show the answer and explanation
CorrectNot quiteAnswer C

Correct answer: C

Explanation

  1. 2026 is 4 years after 2022, so x=4x = 4.

  2. y=40+3.5×4=54y = 40 + 3.5 \times 4 = 54.

Worth noting

43.5 takes x=1x = 1, one year on, instead of four.

Concept
Estimating from the trend line
Typical time
60 s
Your time
—
The rule this testsA straight-line trend by least squares
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Ten questions from Time Series & Trend, at your own pace.

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