1191. Relative frequencies are :

A. Ratios *
B. Percentages
C. Fractions
D. Intervals

A. Equal to 100
B. Greater than 100
C. In all situations
D. Less than 100 *

1193. Which way of presenting data can be described as hybrid between a table and a graph ?

A. Histogram
B. Relative frequency table
C. Frequency curve
D. Stem and leaf display *

1194. The class width for this distribution is :

A. 9
B. 10 *
C. 39; the difference between largest value and smallest value
D. Varies from class to class

1195. The number of students workig 19 hours or less is :

A. 80
B. 100 *
C. 180
D. 300

1196. The relative frequency of students working 9 hours or less is :

A. 20
B. 0.95
C. 100
D. 0.05 *

1197. The percentage of students working 19 hours or less is :

A. 20%
B. 75%
C. 25% *
D. 80%

1198. The cumulative relative frequency for the class of 20-29 is :

A. 300
B. 0.25
C. 0.75 *
D. 0.05

1199. The cumulative percent frequency for the class of 30-39 is :

A. 100% *
B. 75%
C. 25%
D. 50%

1200. The cumulative frequency for the class of 20-29 :

A. 200
B. 300 *
C. 0.75
D. 0.5