Which Is True of the Data Shown in the Histogram

question 87

Multiple Choice

Which is true of the data shown in the histogram?

I.The distribution is approximately symmetric.
II.The mean and median are approximately equal.
III.The median and IQR summarize the data better than the mean and standard deviation.

• A)I only
• B)III only
• C)I and II
• D)I and III
• E)I, II and III

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Definitions:

Casparian Strip

Waxy band between the plasma membranes of abutting root endodermal cells; forms a seal that prevents soil water from seeping through cell walls into the vascular cylinder.

Endodermis

In a plant root, a sheet of cells just outside the vascular cylinder. A Casparian strip between these cells prevents water from seeping through their walls.

Epidermis

The outermost layer of cells covering the body of an organism, often serving as a barrier to the environment.

Vascular Tissue

The complex tissue in plants that conducts water and nutrients through the plant body.