Poll Case
Essay Preview: Poll Case
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What to Ask Yourself Before You Believe a Poll
1.Who carried out the survey? Do you trust the source?
2.What was the population? Whose opinions are being sought? Who exactly are they trying to find out about?
3.How was the sample selected? Was the sample random and representative? Do you think it was large enough?
4.How large was the sample?
5.What was the response rate?
6.How were the subjects contacted? By phone (both cell and land), mail, face-to-face interview?
7.When was the survey conducted? Was it just after or before some event that might have influenced opinion?
What you should know for Test 1
Vocabulary:
1.population
20. negative response error
2.sample
21. voluntary response error
3.inferential statistics
22. leading the question
4.descriptive statistics
23. self selected sample
5.qualitative variable
24. self serving
6.quantitative variable
25. source
7.random
26. grouped frequency distribution
8.representative
27. lurking variable
9.stratified
28. histogram
10.systematic
29. ogive
11.cluster
30. stem and leaf
12.convenience
31. graph scale
13.frequency
32. ungrouped frequency distribution
14.relative frequency
33. skewed right or positively skewed
15.cumulative frequency
34. skewed left or negatively skewed
16.cumulative relative frequency 35. normal or bell shaped
17.class limits
36. uniform
18.class boundaries
37. irregular distribution
19.class midpoints
38. proportionally stratified
What you should be able to do:
1.Identify the population and sample from a survey, article, etc.
2.Identify problems with statistics and/or graphs.
3.Identify sampling techniques.
4.Identify
Essay About 2.Identify Problems And 3.Identify Sampling Techniques
Essay, Pages 1 (220 words)
Latest Update: June 29, 2021
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