FINAL EXAMPSYCH 370 PART 1 FALL 2015 1 A single word that be

FINAL EXAM-PSYCH 370 PART 1 FALL 2015 1 A single word that best describes the general notion of a relationship is a) similarity. b) dissimilarity. c) regularity. d) symmetry 2 The intuitive approach to searching for a relationship becomes cumbersome and inexact when a) there are more than a few pairs of observations. b) little or no relationship is present. c) the relationship is negative. d) observations assume values with decimal points 3 Without doing any calculations, describe the relationship for the following pairs of observations. 6 118 12 109 3 144 10 111 1 142 a) positive b) negative c) little or no relationship d) impossible to describe Which one of the following most likely describes a positive relationship? a) automobile weight and gas mileage b) test score and time to complete test c) current age and remaining years of life expectancy d) years of education and lifetime eamings 5 Greek letters are used to describe characteristics of a) samples and populations b) samples and sampling distributions. c) sampling distributions and populations. d) samples, sampling distributions, and populations 6 When sample size is sufficiently large, aboutpercent of all sample means are within one standard error of the sampling distribution mean. about percent of all sample means are within one

Solution

1. Similarity

2. Little or no relationship exist

3. Negative

4. Automobile weight and Gas mileage

5. Samples, Sampling distributions and Populations

6. 68

6. The Population mean

7. 68

8. less than

9. Subtract the hypothesized population mean and devide by standard error

10. original

11. all of the bove

12. Statistical hypothesis

13. Usually asserts that nothing special is happening with respect to some population characteristic

14. is the oppopsite of the null hypothesis

15. move on to another situation where meaningful hypothesis can be identified

16. there is support for alternative hypothesis

17. rare outcome

18. in the direction of no concern

19. 0.01

20. 0.05

21. 0.1

22. b

23.b

24. a

25. Two

26. is true

27. 130

28. inaccurate

29. d

30.b