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What is a reference group? Give 2 examples of your own reference groups. Explain why you consider the two as your reference groups. Give only three examples of sociological significance of the concept of reference groups.
1. What type of sampling do you plan to use? If you're not sure, what type would you like to use, if possible, and why?
A 400-V DC shunt motor has ?eld and armature resistances of respectively 100 and 0.1 Ω. If the motor absorbs 40 kW from the electric grid, calculate the line, armature, and ?eld current.
The article "Compression of Single-Wall Corrugated Shipping Containers Using Fixed andFloating Text Platens" (Journal of Testing and Evalua- tion [1992]: 318-320) described an experiment in which several different types of boxes were compared with ..
Features of index numbers
Ace Machine Works estimates that the probability its lathe tool is properly adjusted is 0.8. When the lathe is properly adjusted, there is a 0.9 probability that the parts produced pass inspection.
a 3.00-kg block starts from rest at the top of a 33.0deg incline and slides 2.00 m down the incline in 1.50 s.a find
Is there any evidence to suggest that the true proportion of chest hits is greater in Lancashire than in West Mercia? Use a = 0.01.
a new muscle relaxant is available. researchers from the firm developing the relaxant have done studies that indicate
Gallup dialed landline telephone numbers at random and so missed all people without landline phones, including people whose only phone is a cell phone.
Cards are drawn one by one from a standard deck of 52 cards. Let X be the number of draws up to and including when the first diamond is drawn. If the cards are replaced in the deck, determine E(X). If the cards are not replaced in the deck, determ..
The following data values are a simple random sample from a population that is normally distributed, with σ2 = 25.0: 47, 43, 33, 42, 34, and 41. Construct and interpret the 95% and 99% confidence intervals for the population mean.
Find at least what percentage of all homeowners in this city pay a monthly mortgage of 865 to 1,675.00.
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