Câu 70: A00-211: SAS Base Programming for SAS 9

Given the SAS data set PRICES:PRICES -prodid priceK12S 5.10 producttype -NETWORK sales -15 returnsB132S 2.34 HARDWARE 300 10R18KY21.29 SOFTWARE 25 53KL8BY 6.37 HARDWARE 125 15DY65DW 5.60 HARDWARE 45 5DGTY23 4.55 HARDWARE 67 2The following SAS program is submitted:data hware inter soft;set prices (keep = producttype price);if price le 5.00;if producttype = HARDWARE then output HWARE;else if producttype = NETWORK then output INTER;else if producttype = SOFTWARE then output SOFT;run;How many observations does the HWARE data set contain?

1. A. 0
2. B. 2 — đáp án hiện tại
3. C. 3
4. D. 4