Can you help me to find each question's mean and standard deviation?

13 21-1 In the past month, I found it mentally straining to work on my assignments and projects. 14 21-2 In the past month, I found it overwhelming to participate in discussions. 15 Q1-3 In the past month, I found it difficult to focus on studying the course materials. 16 Q1-4 In the past month, I found it stressful to turn on my device (s) and study. 17 EXH_SUM 18 02-1 In the past month, I doubted the meaning of assignments and projects. 19 02-2 In the past month, the course(s) felt boring to me. 20 Q2-3 In the past month, I felt unmotivated to succeed in my course(s). Q2-4 In the past month, I felt indifferent about discussions. NIH_SUM 23-1 In the past month, I found the course material to be interesting. 24 Q3-2 In the past month, I contributed to the discussions with my classmates. 25 03-3 In the past month, the quality of my assignments and projects was satisfactory. 26 03-4 In the past month, I felt excited to learn new things in class. EFF_SUM NAD DO ADD DOWNGA A GONNA AWWADWASAN NDAASOWNANNANNOONANDW- ANDWAAAU 28 04-1 n the past two weeks, I have lost interest in things I usually enjoy. 29 04-2 n the past two weeks, I felt unmotivated on most days. 0 04-3 In the past two weeks, I felt low on energy or fatigued. 31 Q4-4 In the past two weeks, I have had poor sleeping schedule. 2 Q4-5 n the past two weeks, I have felt sad, hopeless, or empty on most days. DEP SUM Mama b- - - B N - A g - - 4 - - -- 25-1 In the past two weeks, I have experienced excessive worry or anxiety. 35 05-2 In the past two weeks, I have had a hard time controlling my worries. 6 05-3 n the past two weeks, I have been easily irritable 37 05-4 In the past two weeks, I have felt tense muscles. 38 ANX_SUM 9 06-1 In general, I am satisfied with my performance on the assignments and projects. 10 Q6-2 In general, I am satisfied with my performance on the exams. Q6-3 In general, I am satisfied with my performance in my courses in general. PER SUM