Exhibit 1-5
The following is a frequency distribution of the monthly expenditures for long distance telephone service of 200 households in Chattanooga.
Class | Expenditure ($) | # of households |
1 | 0 and under 20 | 42 |
2 | 20 and under 40 | 64 |
3 | 40 and under 60 | 34 |
4 | 60 and under 80 | 28 |
5 | 80 and under 100 | 20 |
6 | 100 and over | 12 |
Refer to Exhibit 1-5. What is the proportion of households with monthly expenditure for long distance service of either below $60 or at least $100?
◦
.70
◦
.76
◦
.84
◦
.53