Monday, September 16, 2013

Chapter 1 Practice Problems

PSY/315| Practice Problems Chapter 1| | 12. Explain and give an example for all(prenominal) of the avocation types of variables: (a) equal-interval, (b) rank-order, (c) nominal, (d) ratio denture, (e) continuous. (a) Equal-interval- Numeric variable in which differences amidst set pair to differences in the underlying thing existence mensural. An example of this is your tensity level. (b)Rank-order- Numeric variable in which differences amidst value correspond to differences in the underlying thing organism measured, an example of this is what position you finished in a race. (c)Nominal- variable star in which the value be categories, an example of this is gender. (d)Ratio surmount- Statistics a scale of measurement of information which permits the comparison of differences of values; a scale having a improve zero value, an example of this is the number of siblings a person has is measured on a ratio scale. (e)Continuous- an eternal number of values betw een any two values; height, weight, and time are examples of this. 15. Following are the speeds of 40 cars clocked by radar on a particular road in a 35-mph geographical zone on a particular afternoon: 30, 36, 42, 36, 30, 52, 36, 34, 36, 33, 30, 32, 35, 32, 37, 34, 36, 31, 35, 20, 24, 46, 23, 31, 32, 45, 34, 37, 28, 40, 34, 38, 40, 52, 31, 33, 15, 27, 36, 40 watch (a) a frequency table and (b) a histogram. (c) thence tie the general shape of the distribution.
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Frequency Table 15 1 24 1 33 2 42 1 ! 51 0 16 0 25 0 34 4 43 0 52 2 17 0 26 0 35 2 44 0 18 0 27 1...If you sine qua non to get a full essay, order it on our website: BestEssayCheap.com

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