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Naddik [55]
3 years ago
7

The choice between a z-test and a t-test for a population mean depends primarily on:

Mathematics
1 answer:
Tom [10]3 years ago
6 0
Z-test should be used when the parent standard deviation is known and the sample size is greater than or equal to 30 (to satisfy the Central Limit Theorem). A T-test should be used when these two rules do not apply.
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Call the suicide line

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You can buy five cans for green beans at the village market for $2.20 you can buy 10 of the same cans of beans at Sam’s Club for
vovangra [49]

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What’s the area in this shape ?
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3 0
4 years ago
How many quarters and dimes of 80 coins make up 14.45
siniylev [52]
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