He mode of a data set is.
a. the most commonly occurring data point in a data set
b. the arithmetic average of the data points in a data set
c. the middle point of a data set arranged in increasing order
d. the difference between the greatest and least data points in the data set

Sound travels about 750 miles per hour. a) suppose it takes about 1.5 seconds to hear the echo. how far away is the canyon wall, in feet? for this i got 825 ft b) suppose you stand 1,925 feet from the canyon wall and sound the horn. how long will it take to hear the echo? (i'm stuck on this)