In a study of preferences in leafcutter ants, a researcher presented 20 randomly chosen ant colonies with leaves from the two most common tree species in the surrounding forest. The leaves were placed in piles of 100, one pile for each tree species, close to colony entrances. Leaves were cut so that each was small enough to be carried by a single ant. After 24 hours, the researcher returned and counted the number of leaves remaining of the original 100 of each species. Some of the results are show in the following table: Number of Leaves Removed Tree Species Spondius mombin 1561 Sapium thelocarpum 851 2412 Total Based on the raw data, without running any statistical tests yet, does it appear that the leafcutter ants prefer Spondius mombin leaves? [x] Is the type of tree species numeric or categorical data? Do the 2412 leaves represent a random sample? No, because leaves in the same pile at the same ant colony are not independent. Yes, because leaves in the same pile at the same ant colony are independent. Yes, because the ant colonies were randomly selected.
In a study of preferences in leafcutter ants, a researcher presented 20 randomly chosen ant colonies with leaves from the two most common tree species in the surrounding forest. The leaves were placed in piles of 100, one pile for each tree species, close to colony entrances. Leaves were cut so that each was small enough to be carried by a single ant. After 24 hours, the researcher returned and counted the number of leaves remaining of the original 100 of each species. Some of the results are show in the following table: Number of Leaves Removed Tree Species Spondius mombin 1561 Sapium thelocarpum 851 2412 Total Based on the raw data, without running any statistical tests yet, does it appear that the leafcutter ants prefer Spondius mombin leaves? [x] Is the type of tree species numeric or categorical data? Do the 2412 leaves represent a random sample? No, because leaves in the same pile at the same ant colony are not independent. Yes, because leaves in the same pile at the same ant colony are independent. Yes, because the ant colonies were randomly selected.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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![In a study of preferences in leafcutter ants, a researcher presented 20 randomly chosen ant colonies with leaves from the two most common tree species in the
surrounding forest. The leaves were placed in piles of 100, one pile for each tree species, close to colony entrances. Leaves were cut so that each was small enough to
be carried by a single ant. After 24 hours, the researcher returned and counted the number of leaves remaining of the original 100 of each species. Some of the
results are show in the following table:
Number of Leaves Removed
Tree Species
Spondius mombin
1561
Sapium thelocarpum
851
2412
Total
Based on the raw data, without running any statistical tests yet, does it appear that the leafcutter ants prefer Spondius mombin leaves? [x]
Is the type of tree species numeric or categorical data?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9211abd8-c9fa-41ae-bdcc-af599f4e0952%2F3a5a385c-4ca0-4125-be08-6badff3e9637%2Fo9dsqtm.png&w=3840&q=75)
Transcribed Image Text:In a study of preferences in leafcutter ants, a researcher presented 20 randomly chosen ant colonies with leaves from the two most common tree species in the
surrounding forest. The leaves were placed in piles of 100, one pile for each tree species, close to colony entrances. Leaves were cut so that each was small enough to
be carried by a single ant. After 24 hours, the researcher returned and counted the number of leaves remaining of the original 100 of each species. Some of the
results are show in the following table:
Number of Leaves Removed
Tree Species
Spondius mombin
1561
Sapium thelocarpum
851
2412
Total
Based on the raw data, without running any statistical tests yet, does it appear that the leafcutter ants prefer Spondius mombin leaves? [x]
Is the type of tree species numeric or categorical data?
Transcribed Image Text:Do the 2412 leaves represent a random sample?
No, because leaves in the same pile at the same ant colony are not independent.
Yes, because leaves in the same pile at the same ant colony are independent.
Yes, because the ant colonies were randomly selected.
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