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Lesson 129 of the series of lessons explaining the statistical program SPSS V.23 In continuation of the previous lesson 128 The most famous descriptive statistic operations for the questionnaire.. Correcting the last age group 60 years and over and not over 60 years to include those 60 years old and above... Video time 26 minutes.. Intellectual rights reserved to my educational channel YouTube: Dr. Asmaa Al-Mirghani's channel Twitter: Dr_Asmaa1977 Facebook: smaa1977 I do not allow copying my scientific materials on any disc and selling them under any logo such as universities, institutes, research institutions and training centers anywhere at symbolic or non-symbolic prices; but I allow sharing links on any site. ------- Ways to communicate with Dr. Asmaa Al-Mirghani: ✍🏻 Email [email protected] ✍🏻 WhatsApp 00201009283427 We are happy to communicate with you