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1. What is the importance of a clearly stated hypothesis in research? What harm might an ambiguous hypothesis do? Use an example to illustrate your answer.
2. Independent/Dependent Samples: Read page 509 of your text. Using the given scenarios as an example, create two scenarios of your own. Let one scenario illustrate an independent sample, and let the other scenario illustrate a dependent sample (a matched-pair sample). Label the appropriate scenarios as dependent or independent.
data is collected to test the hypotheses.ho p 0.35 vs ha p can not equal 0.351. you obtain a p-value of 0.021.
What are the differences among a proportion, a percentage, and a ratio? When would a researcher use a hypothesis test for the difference in two population proportions? Explain.
scores on a marketing exam are known to be normally distribute with mean and standard deviation of 60 and 20
correlation concerns the relationship between the values of variables. regression analysis determines the nature of
a banking consultant is investigating if the proportion of households with saving above 20000 has increased from last
using a source of international statistics oecd imf or their respective central banks statistical database compare the
Find the probability that fewer than 5 are satisfied with the airlines. (c) Find the probability that 8 or more are satisfied with the airlines.
1. What is the probability that at least one of the bonds defaults? 2. What is the probability that neither the seven-year AA-rated bond nor the seven-year A-rated bond defaults?
What is the probability that both defective lights will be found within three trials?
What is the probability over the course of a twelve hour shift that there will be at least one hour in which follow-up is not timely?
ten equally qualified marketing assistants are candidates for promotion to associate buyer seven are men and three are
a foreman for an injection-molding firm admits that on 11 of his shifts he forgets to shut off the injection machine on
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