The daily salaries of security guards for 10 security agencies are as follows (in Php): 350, 400, 375, 420, 500, 470, 380, 450, 520, and 460. a. What is the point estimate for the mean? b. Find the 90% confidence interval of the mean for the salaries of security guards in the area. Answer: a. 432.5 b. 399.8 to 465.2 Just show solution on how to get that answer.

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