What number set does 0 belong to
1 answer:
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Answer:
Option 3rd is correct
1.98
Step-by-step explanation:
Using the formula:
where,
X is the sample mean, is the mean,
is the standard deviation and n is the sample size.
As per the statement:
Dion is performing a hypothesis test in which the population mean is 92 and the standard deviation is 2. His sample size is 7 with a mean of 93.5
⇒X = 93.5, n = 2 , and
Substitute these given values to calculate z;
Therefore, the z-statistic for the given data is, 1.98