Use minitab to solve the statistics problem.

Use the attached file to find the 90 % confidence interval.
Make sure that you use
Stats >Basic statistics > 1 sample t
Follow up questions:
Why are we using 90% ? What are the alternatives ?
Why are we using t ? What are the alternatives ?

DATA:

2.63
2.53
2.42
2.95
2.89
2.65
2.59
2.54
2.55
2.63
2.64
2.65
2.79
2.81
2.59
2.6
2.74
2.68
2.58
258
2.79
2.46
2.46
2.36
2.79
2.85
2.75

Use minitab to solve the statistics problem.

Use the attached file to find the 90 % confidence interval.
Make sure that you use
Stats >Basic statistics > 1 sample t
Follow up questions:
Use the attached file to find the 90 % confidence interval.
Make sure that you use
Stats >Basic statistics > 1 sample t
Follow up questions:
Why are we using 90% ? What are the alternatives ?
Why are we using t ? What are the alternatives ?

DATA:

2.63
2.53
2.42
2.95
2.89
2.65
2.59
2.54
2.55
2.63
2.64
2.65
2.79
2.81
2.59
2.6
2.74
2.68
2.58
258
2.79
2.46
2.46
2.36
2.79
2.85
2.75