I need help with this question
Question
I need help with this question c)The grade point averages (GPA) for 12 randomly selected college
students are shown on the right. Complete parts (a) through (c) below.
Assume the population is normally distributed.
2.2
1.8
2.3
0.3
3.4
0.5
1.4
2.3
2.9
4.0
3.6
3.4
C) Construct a 90% confidence interval for the population mean
A 90% confidence interval for the population mean is
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