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ชือ-นามสกุล.............................................ชั้น.............เลขที...........
ใบกิจกรรมที่ 3.1
เรื่อง ประเภทของข้อมูล
ค าชี้แจง : ให้นักเรียนตอบต าถามต่อไปนี้
1. ข้อมูล (data) คืออะไร
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2. ข้อมูลปฐมภูมิ (Primary data) คืออะไร
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3. ข้อมูลทุติยภูมิ (Secondary data) คืออะไร
ตอบ......................................................................................................................................................................
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