Student-Run Café Business. Use the data in the following table for Exercises 15–20. The data represent the total sales (in dollars) for the first 20 days of sales for the Student-Run café. You will construct a histogram of the sales data, with 8 classes, each with class width 25.
totalsales20
| 199.95 | 186.94 | 172.31 | 181.43 |
| 195.74 | 120.18 | 137.65 | 125.57 |
| 102.68 | 228.78 | 197.56 | 180.63 |
| 162.88 | 88.02 | 70.00 | 75.87 |
| 101.76 | 119.57 | 97.00 | 150.51 |
18. What percentage of days had sales over $200?