أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Thanks for invitation ..No. b- 5...........................SD = (p − o)/6
Answer is
B: 5
40-10/6 OR 30/6 = 5
thanks for invition ,,,,,,,,,, my choice is option B
Agree on expert answers. Thanks
B – By straight calculation: (40-10)/6 or 30/6 = 5