Multiple choice technology options obs = 500; Data TEMP; Set test(firstobs = 75); Run; a.) 424 b.) 426 c.) 500 d.) 75 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The options obs=500 statement sets the maximum observation number to process, and firstobs=75 starts reading at observation 75. The total number of observations processed is calculated as 500 - 75 + 1, which equals 426.