Characteristics of the Study Sample (N = 842)   Sample Characteristic Frequency (N) Percentage or Mean (SD) Range Gender Female Male   408 434   48.5% 51.5%   Age (years) 842 55.1 (5.3) 44–67 Race/ethnicity White, not Hispanic African American   701 141   83.3% 16.7%   Smoking status Nonsmoker Currently smokes <1 pack/day Currently smokes 1+ packs/day   698 91 53   82.9% 10.8% 6.3%   BMI 831 24.9 (4.1) 18.1–36.3   Which variables in the table, if any, were measured on a nominal scale? Which variables in the table, if any, were measured on an ordinal scale? Which variables in the table, if any, were measured on an interval scale? Which variables in the table, if any, were measured on a ratio scale? Which measure(s) of central tendency, if any, are presented in this table Which measure(s) of variability, if any, are presented in this table If age were normally distributed, approximately what percentage of the sample would be older than 60 years? If BMI were normally distributed, approximately what percent of the sample would have a BMI higher than 33?

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Characteristics of the Study Sample (N = 842)

 

Sample Characteristic

Frequency (N)

Percentage or Mean (SD)

Range

Gender

Female

Male

 

408

434

 

48.5%

51.5%

 

Age (years)

842

55.1 (5.3)

44–67

Race/ethnicity

White, not Hispanic

African American

 

701

141

 

83.3%

16.7%

 

Smoking status

Nonsmoker

Currently smokes <1 pack/day

Currently smokes 1+ packs/day

 

698

91

53

 

82.9%

10.8%

6.3%

 

BMI

831

24.9 (4.1)

18.1–36.3

 

  1. Which variables in the table, if any, were measured on a nominal scale?

  2. Which variables in the table, if any, were measured on an ordinal scale?

  3. Which variables in the table, if any, were measured on an interval scale?

  4. Which variables in the table, if any, were measured on a ratio scale?

  5. Which measure(s) of central tendency, if any, are presented in this table

  6. Which measure(s) of variability, if any, are presented in this table

  7. If age were normally distributed, approximately what percentage of the sample would be older than 60 years?

  8. If BMI were normally distributed, approximately what percent of the sample would have a BMI higher than 33?

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  1. If age were normally distributed, approximately what percentage of the sample would be older than 60 years?

  2. If BMI were normally distributed, approximately what percent of the sample would have a BMI higher than 33?

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