1 In a practice data set the following information is found in the records of a woman aged 35 years. What is the most likely interpretation of each value?

Options:

(a) Missing value indicator

(b) Plausible value

(c) String entry error

(d) Out of range

(i) Number of teeth extracted = 99

(ii) Number of fi llings = 6

(iii) Type of tooth extracted = SOLAR

(iv) Age at last visit in years = 344

(v) Visits in the last year = 2