TABLE 10-3
a Real Estate Company Is Interested in Testing $\bar{X}$

question 91

Multiple Choice

TABLE 10-3
A real estate company is interested in testing whether the mean time that families in Gotham have been living in their current homes is less than families in Metropolis. Assume that the two population variances are equal. A random sample of 100 families from Gotham and a random sample of 150 families in Metropolis yield the following data on length of residence in current homes.
Gotham: $\bar{X}$ 1 G = 35 months, SG² = 900 Metropolis: $\bar{X}$ M = 50 months, SM² = 1050
-Referring to Table 10-3, what is(are) the critical value(s) of the relevant hypothesis test if the level of significance is 0.01?

• A) t \(\cong\) Z = -1.96
• B) t \(\cong\) Z = ±1.96
• C) t \(\cong\) Z = -2.080
• D) t \(\cong\) Z = -2.33

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Definitions:

Metacarpal I

The first bone in the series of five metacarpal bones of the hand, associated with the thumb, providing support and facilitating movement.

Subpubic Angle

The angle formed below the pubic symphysis, varying in width between sexes and used in determining skeletal sex.

Thickness

Thickness refers to the measurement of an object from one surface to its opposite surface.

Shape of Pelvic Inlet

Describes the contour or opening at the top of the pelvis, which can vary, influencing childbirth and pelvic anatomy studies.