Each day, the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions. Saturday's cumulative frequency ogive follows: The percentage of sales transactions on Saturday that were at least $100 each was ___.
A) 100
B) 10
C) 80
D) 20
E) 15

Question

Each day, the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions. Saturday's cumulative frequency ogive follows:  The percentage of sales transactions on Saturday that were at least $100 each was ___.
A) 100 
B) 10 
C) 80 
D) 20 
E) 15

Quizplus · Accepted Answer

To find the percentage of sales transactions that were at least $100, we look for the 100th percentile on the ogive. From the ogive, we can see that at $100, the cumulative frequency is approximately 80. Therefore, 80% of the sales transactions were at least $100. Therefore, the correct choice is C.

Each Day, the Office Staff at Oasis Quick Shop Prepares