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sammy [17]
2 years ago
15

Identify the value of the CRITICAL VALUE(S) used in a hypothesis test of the following claim and sample data:

Mathematics
1 answer:
disa [49]2 years ago
5 0

Answer:

C

Step-by-step explanation:

The critical value we are asked to state in this question is the value of the z statistic

Mathematically;

z-score = (x- mean)/SD/√n

From the question

x = 11.58

mean = 12

SD = 1.93

n = 80

Substituting this value, we have

z= (11.58-12)/1.93/√80 = -1.946

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