17. If you tried to measurement would you be violating? measure happiness by usi

Question

17. If you tried to measurement would you be violating? measure happiness by using an 1Q test, which of the following aspects of a good a. Validity b. Reliability c. Unbiasedness d. None of the above. 18. If you used a 12-inch ruler to measure the distance a good measurement would you be violating? across a large pond, which of the following aspects of a. Validity b. Reliability c. Unbiasedness d. None of the above. 19. When you read the results of a scientific study, which of the following should you do first? b. C. d. termine which type of research strategy was used (observational study, randomized experiment, etc.) Look at the results and decide whether they make sense or not. Jump to the part where they show the data, and see if was collected properly. Decide if the results apply to your life. 20. What type of study takes place when the sample is equal to the population? a. A large-scale survey b. A census C. A nonrandom sample d. There is no such study. The sample can never be equal to the population 21. Suppose a recent election exit pollster reports that Forty-eight percent of the voters polled said they voted for Candidate A. The margin of error for this survey is plus or minus 2.5 percentage points." Assume the exit poll was designed and conducted correctly. What can be concluded about Candidate A? 48% of all voters will vote for Candidate A. We are confident that between 45.5% and 50.5% of all voters will vote for Candidate A. This means he/she will win the election, because 50.5% is more than half of the votes. we are confident that between 45.5% and 50.5% of the voters will vote for Candidate A. The election is 'too close to call' at this point. It could go either way. None of the above a, b. c. d.

Explanation / Answer

Solution:

(1) (A) , Validity

(2) (B) , Reliability

(19) (A) , Determine which type of research strategy was used (observational study, randomized experiment, etc.)

(20) (B), A census because census means a complete count of the population.

(21) (C), We are confident that between 45.5% and 50.5% of the voters will vote candidate A. The election is "too close to call " at this point .it could go either way.

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