Exhibit 15-5 Below You Are Given a Partial Excel Output Based on Based

question 19

Multiple Choice

Exhibit 15-5
Below you are given a partial Excel output based on a sample of 25 observations.
-Refer to Exhibit 15-5. The interpretation of the coefficient on x₁ is that

• A)a one unit change in x₁ will lead to a 25.625 unit change in y
• B)a one unit change in x₁ will lead to a 25.625 unit increase in y when all other variables are held constant
• C)a one unit change in x₁ will lead to a 25.625 unit increase in x₂ when all other variables are held constant
• D)It is impossible to interpret the coefficient.

---

Definitions:

Seedless Vascular Plants

Plants that have vascular tissue for transporting water and nutrients but reproduce through spores rather than seeds.

Sporophytes

The diploid generation in the life cycle of plants that produces spores through meiosis, alternates with the haploid gametophyte stage.

Gametophytes

The sexual phase in the life cycle of plants and algae that produce gametes, or sex cells.

Haploid Megaspores

Single-celled female spores produced by plants, which can develop into a gametophyte generation, part of the plant's reproductive process.