To find the mean number of croutons per salad, we need to add up all the croutons and divide by the number of salads.
Total number of croutons = 11+16+11+12+15 = 65
Number of salads = 5
Mean number of croutons per salad = 65/5 = 13
Therefore, the correct answer is D. 13.
To get ready for the daily lunch rush, a deli prepared 30 salads topped with croutons. The manager randomly selected 5 of the salads and counted the number of croutons on each salad. The results are shown in the table below. Sample of Salads Salad Number of Croutons A 11 B 16 C 11 D 12 E 15 Assuming the sample was representative of all the prepared salads, what was the mean number of croutons per salad? A. 12 B. 11 C. 14 D. 13
1 answer