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: G = 35 months, SG² = 900 Metropolis:
M = 50 months, SM² = 1050
-Referring to Table 10-3, which of the following represents the relevant hypotheses tested by the real estate company?
A) H₀: μG - μM ≥ 0 versus H₁: μG - μM < 0
B) H₀: μG - μM ≤ 0 versus H₁: μG - μM > 0
C) H₀: μG - μM = 0 versus H₁: μG - μM ≠ 0
D)
Correct Answer:

Verified
Correct Answer:
Verified
Q148: The Wall Street Journal recently ran an
Q160: TABLE 10-13<br>The amount of time required to
Q161: TABLE 10-2<br>A researcher randomly sampled 30 graduates
Q162: TABLE 10-15<br>The table below presents the summary
Q163: TABLE 10-6<br>To investigate the efficacy of a
Q164: TABLE 10-4<br>Two samples each of size 25
Q166: TABLE 10-10<br>A corporation randomly selects 150 salespeople
Q167: TABLE 10-2<br>A researcher randomly sampled 30 graduates
Q168: TABLE 10-1<br>Are Japanese managers more motivated than
Q170: TABLE 10-2<br>A researcher randomly sampled 30 graduates