This quiz works best with JavaScript enabled. Home > Economics > Agricultural Economics > Agricultural Statistics And Economics > Agricultural Statistics And Economics – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Agricultural Statistics And Economics Quiz 2 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which scenario do you think would yield data that when graphed would be most likely left skewed? A) Scores on an easy test. B) Net Income of Americans. C) Weights of cocker spaniels. D) None of above. Show Answer Correct Answer: A) Scores on an easy test. 2. A politician wants to know what percentage of the voters support her position on the issue of forced busing for integration. What size voter sample should be obtained to determine with 90% confidence the support level to within 4%? A) 21. B) 25. C) 423. D) 600. E) 1691. Show Answer Correct Answer: C) 423. 3. A survey of 280 homeless persons showed that 63 were veterans. Construct a 90% confidence interval for the proportion of homeless persons who are veterans. A) (0.161, 0.289). B) (0.176, 0.274). C) (0.184, 0.266). D) (0.167, 0.283). Show Answer Correct Answer: C) (0.184, 0.266). 4. Statistics is the science of collecting, organizing, interpreting, and analyzing data. A) Data. B) Information. C) Statistics. D) Geometry. Show Answer Correct Answer: C) Statistics. 5. A large company surveys 100 employees by taking random samples of 10 managers and 90 non-managerial employees.What type of sample is this? A) Simple random sampling. B) Systematic random sampling X. C) Stratified random sampling. D) Cluster random sampling. Show Answer Correct Answer: C) Stratified random sampling. 6. The mean temperature in Glens Falls for the month of February is 23 degrees with a standard deviation of 4.2 degrees. What is the z-score for a temperature of 17 degrees? A) 1. B) 1.43. C) -1.43. D) 11.5. Show Answer Correct Answer: C) -1.43. 7. What is the least expensive and least time-consuming of all sampling techniques? A) Simple random sampling. B) Stratified sampling. C) Convenience sampling. D) Judgmental sampling. E) Snowball sampling. Show Answer Correct Answer: C) Convenience sampling. 8. If I change the units on each one of my original data points from yards to meters, then my correlation will change as well. A) True. B) False. C) Correlation does not imply causation. D) There is an explanatory response relationship with yards to meters. Show Answer Correct Answer: B) False. 9. Data originally collected in the process of investigation are known as A) Foreign data. B) Primary data. C) Third data. D) Secondary data. Show Answer Correct Answer: B) Primary data. 10. Which District has the lowest total rice crop land areas in 2021? A) Brunei & Muara District. B) Tutong District. C) Belait District. D) Temburong District. Show Answer Correct Answer: B) Tutong District. 11. A person who plan and conduct an empirical investigation independently or with the help of others is called A) Respondents. B) Enumerator. C) Investigator. D) Invigilator. Show Answer Correct Answer: C) Investigator. 12. Z-score is also called A) Mean score. B) Median score. C) Table A score. D) Standardized score. Show Answer Correct Answer: D) Standardized score. 13. About 76% of college professors said that if they could pick a career over again, they would choose to be a professor again. A random sample of 59 college professors in Colorado showed that 47 claim they would choose college teaching again. Does this indicate the proportion of professors in Colorado who would choose the career again is greater than the national rate of 76%? Use a 1% level of significance. A) Do not reject H0 (z = 0.76). B) Reject H0 (z = 1.45). C) Do not reject H0 (z = 1.45). D) Reject H0 (z = 0.6). Show Answer Correct Answer: A) Do not reject H0 (z = 0.76). 14. Which is not considered as an economic activity A) Agriculture. B) Banking. C) Sujata helping her mother in the kitchen. D) Business. Show Answer Correct Answer: C) Sujata helping her mother in the kitchen. 15. Statistics is defined in terms of numerical data in the- A) Singular sense. B) Plural sense. C) Either A or B. D) Both a and b. Show Answer Correct Answer: B) Plural sense. 16. What type of sampling? Law enforcement officials use a radar gun to measure the speed of every 5th vehicle on an interstate. A) Simple Random sample. B) Convenience sample. C) Stratified Random sample. D) Systematic Random Sample. Show Answer Correct Answer: D) Systematic Random Sample. 17. It is the record of sticks that gives you the frequency or the number of values that fall into class interval. A) Interval. B) Frequency column. C) Tally column. D) Class mark. Show Answer Correct Answer: C) Tally column. 18. Gabriella's quiz grades are shown below. 88, 92, 92, 96, 98 Gabriella scored a 20 on her sixth quiz. What effect does this score have? A) The low score causes the median to increase. B) The low score causes the median to decrease. C) The low score causes the mean to increase. D) The low score causes the mean to decrease. Show Answer Correct Answer: D) The low score causes the mean to decrease. 19. If 10 is added to every value in a set of data, what will happen to the value of the standard deviation? A) It will increase. B) It will decrease. C) It will stay the same. D) It will both increase and decrease. Show Answer Correct Answer: C) It will stay the same. 20. What is the Rate of Self-Sufficiency 2021 for Rice? A) 7.11%. B) 8.11%. C) 9.11%. D) 10.11%. Show Answer Correct Answer: C) 9.11%. ← PreviousNext →Related QuizzesAgricultural Economics QuizzesEconomics QuizzesAgricultural Statistics And Economics Quiz 1Agricultural Statistics And Economics Quiz 3Agricultural Statistics And Economics Quiz 4Agricultural Statistics And Economics Quiz 5Agricultural Statistics And Economics Quiz 6Agricultural Statistics And Economics Quiz 7Agricultural Statistics And Economics Quiz 8Agricultural Statistics And Economics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books