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Agricultural Statistics And Economics Quiz 12 (20 MCQs)

Quiz Instructions

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1. What happens to your confidence as your interval gets smaller?
2. If p-value < $ \alpha$, we ..... the null and have convincing evidence that the alternative is true, and the results are .....
3. Small p-values mean that our sample was very unlikely if the null hypothesis is true. Therefore, small p-values are ..... that the null hypothesis is wrong.
4. ..... is a statistical method used to determine whether a relationship between variables exists.
5. A radar unit is used to measure speeds of cars on a motorway. The speeds are normally distributed with a mean of 90 km/hr and a standard deviation of 10 km/hr. What is the probability that a car picked at random is travelling at more than 100 km/hr?
6. The Process of converting raw material into goods is called
7. What is the P-value if I have a test statistic of t = 1.632, sample size of 35, and I am doing a two-sided test?
8. Which subject area it belongs? How can you save money from your weekly allowance?
9. If the line of best fit is y =-x + 8, what is the predicted y if x = 12?
10. The standard error of estimate is the square root of the unexplained variation.
11. Some questions be asked from respondents on trial basis, if their answers involve some difficulty these can be reframed accordingly .Such testing is called
12. The distances male long jumpers for State College jump are approximately normal with a mean of 263 inches and a standard deviation of 14 inches. Suppose a male long jumper's jump ranked in the 75th percentile. How long was his jump?
13. An Air Force vase mess hall has received a shipment of 10, 000 gallon size cams of cherries. The supplier claims that the average amount of liquid is 0.25 gallons per can. A government inspector took a random sample of 100 cans and found that the average liquid content to be 0.28 gallons per can with a standard deviation of 0.10. Does this indicate that the supplier's claim is too low? (Use a 5% level of significance)
14. Which of the following are true statements? I. Correlation requires that there are clearly-identified explanatory and response variables.II. Scatterplots require that both variables be quantitative.III. Every least-squares regression line passes through (x ....., y ..... ).
15. How sample method is differ from census method on the basis of cost?
16. It is a systematic way to arrange data in rows or horizontal and column or vertical for easy referencing
17. Division of the national income into wages, profits rents, and interest is called as-
18. The factors of production are-
19. ..... is the root of all economic problems
20. Suppose that the Department of Agriculture wishes to investigate the use of pesticides by farmers in California. A sample could be taken by identifying the different counties in California, and a random sample of these counties then be chosen. This would be a
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