Test Hypotheses Regarding the Difference of Two Independent Means
-And

question 22

Multiple Choice

Test Hypotheses Regarding the Difference of Two Independent Means
-and come from populations that are normal. The sample statistics are given below.
$$\begin{array} { l l } \mathrm { n } _ { 1 } = 25 & \mathrm { n } _ { 2 } = 30 \\\overline { \mathrm { x } } 1 = 19 & \overline { \mathrm { x } _ { 2 } } = 17 \\\mathrm {~s} _ { 1 } = 1.5 & \mathrm {~s} _ { 2 } = 1.9\end{array}$$

• A) \(4.361\)
• B) \(3.287\)
• C) \(2.892\)
• D) \(1.986\)

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Definitions:

Lateral Meristem

Plant tissue located in the stem and root that enables growth in thickness or girth in a maturing plant.

Vascular Cambium

A layer of plant tissue located between the xylem and the phloem that is responsible for the secondary growth of stems and roots, allowing them to increase in thickness.

Cork Cambium

A layer of tissue in plants that produces cork (phellem) cells for protection and waterproofing.

Lignin

A complex organic polymer found in the cell walls of many plants, making them rigid and woody and providing structural support.