1191. Relative frequencies are :
A. Ratios *
B. Percentages
C. Fractions
D. Intervals
1192. Stem and leaf is more informative when data is :
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