Question 2
5 pts
nt
The daily salaries of substitute teachers for eight local school districts are shown.
Find the 90% confidence interval of the mean for the salaries of substitute
teachers in the region. Source: Pittsburgh Tribune Review. You must use a
calculator. Round the mean, standard deviation, and final Cl to the nearest tenth.
69 58 60 55 70 54 63 57
ST:
tc:
CI:(
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