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i. Two examples of a hypothesis are: 1) mean monthly income from all sources for senior citizens is $841 and
2) twenty percent of juvenile offenders ultimately are caught and sentenced to prison.
ii. Hypothesis testing is a procedure based on sample evidence and probability theory to decide whether the hypothesis is a reasonable statement.
iii. Since there is more variability in sample means computed from smaller samples, we have more confidence in the resulting estimates and are less apt to reject null hypothesis.
Substitute Good
A product or service that consumers can use in place of another to satisfy the same need or desire.
Price Decrease
A reduction in the cost of goods or services over a specific period.
Demand Curve
A visual diagram that illustrates the connection between a product's price and the amount consumers are willing to buy.
Sport Utility Vehicles
Large vehicles combining the features of passenger cars with off-road capabilities and increased cargo space.
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