SM Globe telecommunication claims that the number of clients served in their department have increased, and now average over 150 clients per day. His superior wishes to test this claim. Suppose a sample is taken with the following results: n = 40 days, x = 200 clients (Assume  = 5 is known). Using 6 steps test the hypothesis at 0.05 level of significance.

MATLAB: An Introduction with Applications
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SM Globe telecommunication claims that the number of clients served in their
department have increased, and now average over 150 clients per day. His
superior wishes to test this claim. Suppose a sample is taken with the following
results: n = 40 days, x = 200 clients (Assume  = 5 is known). Using 6 steps
test the hypothesis at 0.05 level of significance. 

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