# The following data is a sample of the data taken from the Behavioral Risk Factor Surveillance System survey from 2010

Question. 3

The following data is a sample of the data taken from the Behavioral Risk Factor Surveillance System survey from 2010 (http://www.cdc.gov/brfss/). There are 80 male participants in this sample. The first table provides the descriptive statistics for the weight variable, while the second table provides the individual Z scores associated with each participant in the sample.

There are two parts to this assignment.

• Describe the descriptive data for the weight variable in the first table. Such as, what is the mean, range, etc.

• Identify the case with the largest Z-score for the weight variable presented in the second table and provide an interpretation of this score: for example, is this score above the mean? if it is above, how much it is above respective to Standard Deviation (SD)? What is the raw score of weight for this participant?

• Identify the case with the lowest Z-score for the weight variable presented in the second table and provide an interpretation of this score: for example, is this score above the mean? if it is above, how much it is above respective to Standard Deviation (SD)? What is the raw score of weight for this participant?

• For ID80, the Z score for the weight is 0.02, what does this Z score tell you? For example, is the weight of this participant close to Mean 203.98? How do you know?

Table 1. Descriptive Statistics

 Descriptive Statistics N Range Minimum Maximum Mean Std. Deviation Variance WEIGHT2 REPORTED WEIGHT IN POUNDS 80 250 135 385 203.98 42.509 1806.987 Valid N (listwise) 80

Table 2. Z Scores

 ID ZWEIGHT IDNUM ZWEIGHT ID ZWEIGHT 1 -1.62 31 0.21 61 -0.09 2 -0.09 32 4.26 62 1.79 3 1.08 33 -0.56 63 -0.45 4 -0.96 34 -1.39 64 -1.03 5 0.85 35 0.85 65 -0.96 6 -0.45 36 -0.68 66 1.44 7 -0.45 37 -0.33 67 -0.14 8 -0.35 38 0.14 68 -0.71 9 -0.33 39 -0.92 69 1.44 10 -0.14 40 -1.03 70 2.26 11 -0.09 41 -0.09 71 0.38 12 0.42 42 2.85 72 0.42 13 1.08 43 0.17 73 -0.33 14 -0.33 44 -0.33 74 -0.28 15 -1.27 45 -0.68 75 -1.27 16 0.85 46 -0.33 76 -1.03 17 -0.59 47 1.08 77 0.85 18 1.32 48 0.85 78 -0.92 19 0.49 49 -0.56 79 -0.28 20 -1.39 50 -0.80 80 0.02 21 -0.56 51 0.85 22 -0.05 52 -0.40 23 1.08 53 -1.22 24 -0.45 54 -0.33 25 -0.09 55 0.07 26 -0.68 56 -0.21 27 -0.85 57 -0.42 28 0.61 58 -0.56 29 0.38 59 -0.56 30 1.67 60 -0.09

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