Tuesday, December 24, 2013

Chapter 1 Practice Problems

PSY/315| Practice Problems Chapter 1| | 12. Explain and give an example for all(prenominal) of the undermentioned 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 suit to differences in the underlying thing existence metrical. An example of this is your focal point level. (b)Rank-order- Numeric variable in which differences amidst determine correspond to differences in the underlying thing organism measured, an example of this is what position you washed-up in a race. (c)Nominal- variable star in which the determine ar categories, an example of this is gender. (d)Ratio surmount- Statistics a scale of measurement of selective information which permits the comparison of differences of values; a scale having a persistent zero value, an example of this is the number of siblings a person has is measured on a ratio scale. (e)Continuous- a n eternal number of values between 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 zona 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 apply (a) a frequency table and (b) a histogram. (c) thence pull in 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 neediness to get a full essay, order it on our website: BestEssayCheap.com

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