Use the data dictionary for the Master Data File in Course materials. Variable NHRATEHR, Hourly rate of pay, is coded as follows:

• 4.60-19.21. Hourly rate of pay in dollars and cents (a possible range is shown for 2004 survey data)
• 77.77. Refused
• 88.88. DK-do not know
• Blank. Not applicable

Which attribute(s), if removed, would change this variable's level of measurement from nominal to interval?

Use the data dictionary for the Master Data File in Course materials. Variable JOBSYR2, Number of jobs NA had in past 2 years, is coded as follows:

1-7 Number of jobs

77. Refused

88. DK- do not know

What level of measurement would this variable have if response options 77 (Refused) and 88 (DK-do not know) were not among this variable's attributes?

Use the data dictionary for the Master Data File in Course materials. Variable NUMADULT, number of other adults living in Nursing Assistant's household, has these attributes or response options:

0-9. Number of adults

77. Refused

88. DK (do not know)

Blank. Not applicable

What level of measurement will this variable be WITHOUT response options77. Refused,88. DK (do not know) andBlank (not applicable)?

Use the data dictionary for the Master Data File in Course materials. Variable TIMENA, Total time worked as a NA, is coded as follows:

1. 6 months or less

2. More than 6 months to less than 1year

3. 1 year to less than 2 years

4. 2 to 5 years

5. 6 to 10 years

6. 11 to 20 years

7. More than 20 years

88. DK- do not know

99. Not ascertained

Blank. Not applicable

What level of measurement would this variable have if three last response options88 (DK-do not know), 99 (Not ascertained) and blank (Not applicable) were not among this variable's attributes?