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Question 1A) The two samples below are independent from Normal populations with equal variances.
Sample 1 : n = 16 ; Sum of X = 359 ; Sum of x sqd = 8,452
Sample 2 : n = 14 ; Sum of X = 201 ; Sum of x sqd = 4,089
Test the hypothesis that u1 ≤ u2 at a = 0.1 . State the hypothesis in terms of 1-2
Step 1 : What is the degrees of freedom (df) ?
Step 2 : What is the t crit ? Answer must be typed to either 2 or 3 decimals depending on whether the Z or t table is appropriate.
Step 3 : What is the test statistics ( t stat) ? Answer must be typed to either 2 or 3 decimals depending on whether the z or t table is appropriate.
Step 4 : Find P-value(s) ?
Question 2B) Construct a 90% confidence interval for the difference in true means. State the C.I. in terms of Boston-Buffalo
Lower endpoint ______
Upper endpoint ______
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Estimate the population mean
Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Find out the probability
LINEAR PROGRAMMING MODELS
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