Confidence interval of mean assuming normal distribution

Steps

for example of data set:

height :

78, 55, 68, 48, 65, 76, 57, 55, 65, 75, 51, 61, 68, 67, 76, 78, 71, 56, 57, 67, 58, 51, 50, 58, 50, 77, 55, 48, 70, 55, 58, 70, 56, 52, 74, 61, 69, 76, 61, 68, 78, 56, 78, 57, 66, 66, 74, 66, 48, 73, 71, 70, 62, 74, 76, 50, 69, 75, 65, 48

• In the variable view, add the required variable name with specific details.

  

  Variable view
• Goto data view and add the given data.

• Click on Analyze tab > Descriptive Statistics > Explore.

  

  Step
• Add the required variable in Dependent List and click Paste or OK.

  

  Dependent List
• Required Output(Confidence Interval of Mean):

  

  Output