Question

Consider the following 14 independent measurements from a normal distribution: Independent measurements 11 14 1 18...

Consider the following 14 independent measurements from a normal distribution:

Independent measurements
11 14 1 18 6 12 10 10 20 19 11 16 15 13

1) What is the standard error of the sample mean?
7.0193
5.1248
1.3697
1.4214

2) Calculate a 99% confidence interval for the population mean.
[8.9413,16.2016]
[9.2637,15.8791]
[8.4455,16.6973]
[-0.8786,26.0215]

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