# Assignment: 10.2 Practice Assignment Score: 6.66% Save Submit Assignment for Grading Exercise 10.09 (Self-Test) Algorithmic Questions...

###### Question: Assignment: 10.2 Practice Assignment Score: 6.66% Save Submit Assignment for Grading Exercise 10.09 (Self-Test) Algorithmic Questions 1. 2. C 3. Question 1 of 3 Check My Work Video Consider the following results for independent random samples taken from two populations Sample1 n120 x122.5 S 12.5 Sample2 n 2 30 x 2 20.6 S 24.1 a. What is the point estimate of the difference between the two population means (to 1 decimal)? b. What is the degrees of freedom for the t distribution (round down your answer to nearest whole number)? C. At 95% confidence, what is the margin of error (to 1 decimal)? d, what is the 95% confidence interval for the difference between the two population means (to 1 decimal)? Use z-table. If your answer is negative value, entre minus (-) 1.9 48 sign.

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