Mathematics, 28.12.2019 00:31 jimmyjimjim
An insurance company works with two auto repair shops and wants to compare their prices. company officials randomly select 12 damaged cars, take each car to both shops, and ask how much the repairs will cost. for each car, they subtract the cost at the first shop from the cost at the second shop. which of the following would be the most appropriate pair of hypotheses for them to use?
a) h0: μ1=μ2
b) h0: μ1≠μ2
c) h0: μd=0 and ha: μdâ‰
d) h0: μd≠0 and ha: μd=0
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