<span>A histogram uses bars to display the above. Histograms are a common type of graph used that resembles a bar graph but displays different types of information. The bars are rectangles and the volume of the rectangle represents the frequency of an occurrence, whereas the width of the represents the class itself.</span>
Answer:
a 240
Step-by-step explanation:
Area of rectangle 24 x 8 = 192
Area of triangle 24 x 4 = 96/2 = 48
192 + 48 = 240
Answer:
(D) A stratified random sample
Step-by-step explanation:
A stratified random samples are samples that involves the use of stratified random sampling (or stratification) which involves the partition or division of a population into smaller subgroups (called strata). The division is done based on some shared characteristics and attributes. The case above is a stratified random sample because it involves the division of shoreline(population) into 100-foot plots(stratas or subgroups).
Answer:
x = 40
Step-by-step explanation:
180 = 100 + x +x
180-100= 2x
80 = 2x
x = 40