Answer Happy

Question-01: An insurance company is comparing between the effectiveness of the old and new training method for its sales executives. A random sample of 26 executives trained in the old method came out with a mean daily sales of TK 688 and a standard deviation of TK 32.63. On the other hand, random sample of 21 executives trained in the new method came out with a mean daily sales of TK 706 and a standard deviation of TK 24.84. Can the company conclude, at a 0.05 significance level that mean daily sales of all executives trained in the new method is significantly greater than that of those trained in the old method? (Hint: Determine which is sample 1 and sample 2, and whether to use Z ort for the test