Multiple Choice
Quality control is an important issue at ACME Company, which manufactures light bulbs. To test the life-hours of their light bulbs, they randomly sampled nine light bulbs and measured how many hours they lasted: 378, 361, 350, 375, 200, 391, 375, 368, 321. What is the median?
A) 375
B) 368
C) 389.9
D) 200
E) 346.6
Correct Answer:

Verified
Correct Answer:
Verified
Q133: Using Chebyshev's theorem, approximate the minimum proportion
Q134: In the calculation of a mean for
Q135: Find the weighted mean per capita income
Q136: The population variance is the average of
Q137: The following frequency table summarizes the ages
Q139: In a hearing test, randomly selected subjects
Q140: Interpret a lift ratio of 1.111.
Q141: If b<sub>0</sub> = 32 and b<sub>1</sub> =
Q142: A random sample of 60 students in
Q143: Researchers wish to study fuel consumption rates