Health insurers are beginning to offer telemedicine servicesonline that replace the common office visit. Wellpoint provides avideo service that allows subscribers to connect with a physicianonline and receive prescribed treatments. Wellpoint claims thatusers of its LiveHealth Online service saved a significant amountof money on a typical visit. The data shown below ($), for a sampleof 20 online doctor visits, are consistent with the savings pervisit reported by Wellpoint.
| 91 | 34 | 40 |
| 104 | 84 | 54 |
| 55 | 50 | 40 |
| 75 | 46 | 95 |
| 92 | 75 | 75 |
| 80 | 94 | 100 |
| 56 | 83 |
Assuming the population is roughly symmetric, construct a 95%confidence interval for the mean savings for a televisit to thedoctor as opposed to an office visit (to 2 decimals).
95% confidence interval: $_______ to $________ per visit
