6.SP.A.1
Recognize a statistical question as one that anticipates variability in the data related to the question and accounts for variability in the answers. For example, "How old am I?" is not a statistical question, but "How old are the students in my school?" is a statistical question because one anticipates variability in students' ages.
Example Problems
An animal shelter recorded details about dogs available for adoption.
Who or what are the individuals in this data set?
| Dog | Age (years) | Weight (lb) | Breed | Shots? |
|---|---|---|---|---|
| Buddy | 4 | 52 | mixed | yes |
| Luna | 1 | 18 | terrier | no |
| Duke | 7 | 68 | labrador | yes |
| ... | ... | ... | ... | ... |
Who or what are the individuals in this data set?
An airport analyst logged details for several flights today.
Who or what are the individuals in this data set?
| Flight | Distance (mi) | Duration (min) | Gate | On-time? |
|---|---|---|---|---|
| AA 1387 | 965 | 142 | B12 | yes |
| DL 220 | 403 | 76 | D5 | no |
| UA 781 | 2460 | 310 | C7 | yes |
| ... | ... | ... | ... | ... |
Who or what are the individuals in this data set?
A registrar compiled information about courses offered this term.
How many variables are in this data set?
| Course | Credits | Enrollment | Department | Online? |
|---|---|---|---|---|
| BIO 120 | 4 | 132 | Biology | no |
| MATH 241 | 4 | 88 | Mathematics | yes |
| HIST 210 | 3 | 41 | History | no |
| ... | ... | ... | ... | ... |
How many variables are in this data set?
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