(c) Suppose the comparison had been done using a pooled, two-sample t-test. What would be the value of the t-statistic? (Round to two decimal places as needed.)

Homework: HW CH26 Question 2, 26.1.46 HW Score: 64.68%, 3.88 of 6 points Part 5 of 8 Points: 0.5 of 1 Save A department store sampled the purchase amounts of 50 customers. Half the customers in the sample used coupons. The data is coded as - 1 for those who did not use a coupon and + 1 for those who did. The plot to the right shows the data and the least squares regression line. Answer parts (a) through (d). 300- 200- Total Purchase Amount Term Estimate Std Error t Ratio p 100- Intercept 197.26 7.15 27.59