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eBook Video Consider the following results for two independent random samples taken from two populations. Sample 1 Sample 2 n 1 = 40 n 2 = 35 x 1 = 13.9 x 2 = 11.4 0 1 = 2.3 02 = 3 a. What is the point estimate of the difference between the two population means? (to 1 decimal) b. Provide a 90% confidence interval for the difference between the two population means (to 2 decimals). c. Provide a 95% confidence interval for the difference between the two population means (to 2 decimals). (-) sign. - Icon Key Exercise 10.01 (Self-Test) Algorithmic