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Market researchers would like to know if consumers can taste the difference between a product made with low calorie oil and the same product made with regular oil. A random sample of 400 people are blindfolded and given both products to taste. Overall, 230 people correctly guess which is the low calorie product. Is there evidence of a difference in taste between the two products?
a) sample % of correct guesses is 1.50 standard errors above 50%, so there is no evidence of difference in taste.b)Sample % of correct guesses is 1.75 standard errors above 50% so there is no evidence of difference in taste.c) sample % of correct guesses is 3 standard errors above 50% so there is evidence of a difference in taste.
A start-up publishing company estimates that the fixed costs of its first major project will be $190,000, the variable cost will be $18, and the selling price per book will be $34.
Conduct an ANOVA comparing the anxiety levels (at posttest only) of participants across all three treatment conditions: CBT, psychodynamic, and supportive therapy.
Suppose that a certain college class contains 45 students. Of these, 26 are sophomores, 25 are chemistry majors, and 7 are neither. A student is selected at random from the class.
Reis, Inc., a New York real estate research firm, tracks the cost of apartment rentals in the United States. In mid-2002, the nationwide mean apartment rental rate was $895 per month
Suppose your company decided purchase 12 shrimp boats (Jenny 1 - Jenny 12). These boats are a fixed resource for the firm. What is the short run total cost of producing 60 tons of shrimp?
Choose a variable. Before collecting the data, decide what a likely average might be, then complete the following: Write a brief statement of purpose of the study
The amounts of money requested on home loan applications at Down River Federal Savings follow the normal distribution, with a mean of $70,000 and a standard deviation of $20,000.
There are 6 different factors labeled as A, B, C, D, E, and F. Given that D=AB, E=-AC, F=-BC, please provide the corresponding 26-3 design table. Also, please write down the complete defining relation and the complete effect alias structure.
One particular morning, the length of time spent in the examination room is recorded for each patient seen by each physician at an orthopedic clinic. Does the data prove a significant diference in mean times, using a=.05 Minutes in Examination roo..
Consider the following age data, which is the result of selecting a random sample of 20 United Airlines pilots.
Formulate and test an appropriate set of hypotheses to determine if the machine can be qualified. Use a = 0.05. Find the P-value.
What would be an appropriate graphical representation to show the dispersion of home prices in a particular city, such as San Diego? Consider what would be the dependent (y) and independent (x) variables? Explain your reasoning.
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