2. MTB Step 3 - Types of Data

Question 1

TYPES OF DATA:

Nominal Data

Answer 1

Characterized by Name only:

• NO particular order
• Mutually Exclusive

Examples:

1. Blood Groups: The groups are A, B, AB, and O. It does not matter what order you put them in.
2. Hepatitis Types: hepatitis A, B, C, D, and E.
3. HIV Status: HIV-positive status and HIV-negative status are nominal data.

Question 2

TYPES OF DATA:

Ordinal Data

Answer 2

Characterized by Sequential Order:

• HAS Particular Order
• NOT mutually exclusive; NO clear breakpoints

Examples:

1. Students’ Class Rank
2. Rank list for the match
3. Pain Scale.

Question 3

TYPES OF DATA:

Interval Data

Answer 3

Characterized by Order & Breakpoints:

• HAS Particular Order
• Mutually Exclusive; HAS Clear Breakpoints

Examples:

1. CD4 Count: monitor the CD4 count and stop MAI

• prophylaxis at 50 CD4 cells, and stop PCP prophylaxis when it rises above 200 CD4 cells*.
  2. Speed Limit
  3. Temperature Scales
  4. T-Cell Count

Question 4

TYPES OF DATA:

Ratio Data

Answer 4

Characterized by Order & Breakpoints & Ratio:

• HAS Particular Order
• Mutually Exclusive; HAS Clear Breakpoints
• Recorded as Ratio

Examples:

1. Glucose is in mg/dL.
2. Heart Rate is in BPMs.
3. Hemoglobin is in g/dL.