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vovikov84 [41]
4 years ago
8

A sample of size n = 12 does not have a known population standard deviation. The population appears to be normally distributed.

Determine whether a margin of error should be calculated using a critical value of zα/2, a critical value of tα/2, or neither.
a critical value of tα/2


neither


a critical value of zα/2
Mathematics
1 answer:
8090 [49]4 years ago
7 0

420

.,...................................

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