Question
Acme Furniture Company manufactures sofas and other living room furniture. The daily production of sofas follows a normal distribution with a mean of 30 and
Acme Furniture Company manufactures sofas and other living room furniture. The daily production of sofas follows a normal distribution with a mean of 30 and a standard deviation of 6. Recently, due to market expansion, new production methods have been introduced. Based on the past 15 days, the daily sofa production showed a mean of 34 with a standard deviation of 5. Has the daily production of sofas increased? Test using the 0.07 significance level.
a. State the Null and Alternate Hypotheses:
H0 :
H1:
b. What is the direction of the test?
c. State the decision rule:
(Note: IF your answer to question (b) above is 2-T, provide the answer using the positive side of the tails. The Final answer should be in 2 decimal places and IF your answer is a negative number, it must include the negative sign.)
Do not reject H0 when the test statistics is:
d. Compute the value of the test statistic.
e. What is your Conclusion?
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