DESCRIBING DATA VISUALLY HW QUESTIONS
AND ANSWERS WITH SOLUTIONS 2024
The width of a bin in a frequency distribution is known as the - ANSWER class interval
Excel's rotated 3D bar charts charts - ANSWER should be avoided despite their visual appeal
Which of these deficiencies would be considered a major visual deception on a graph? - ANSWER bar
widths proportional to bar height
Which chart would be most appropriate to display PepsiCo's quarterly revenue for the most recent 20
quarters? - ANSWER line chart
Below is a sorted stem-and-leaf diagram for the measured speeds (miles per hour) of 49 randomly
chosen vehicles on highway I-80 in Nebraska. What is the fourth slowest speed in the sorted data array?
Stem unit = 10
Leaf unit = 1
FrequencyStemLeaf1491551760 1 2 2 2 4 5 5 5 5 6 6 8 8 9 9 91970 1 1 1 2 3 3 3 4 5 6 6 6 7 7 8 9 9 9780 1
3 3 5 5 7490 1 2 249 - ANSWER 61
Below is a sorted stem-and-leaf diagram for the measured speeds (miles per hour) of 49 randomly
chosen vehicles on highway I-80 in Nebraska. Which is the modal class?
Stem unit = 10
Leaf unit = 1
FrequencyStemLeaf1491551760 1 2 2 2 4 5 5 5 5 6 6 8 8 9 9 91970 1 1 1 2 3 3 3 4 5 6 6 6 7 7 8 9 9 9780 1
3 3 5 5 7490 1 2 249 - ANSWER 70 but less than 80.
Below is a sorted stem-and-leaf diagram for the measured speeds (miles per hour) of 49 randomly
chosen vehicles on highway I-80 in Nebraska. What is the highest observed speed?
Stem unit = 10
Leaf unit = 1
