sch29 | R Documentation |

For examining the association between amount homework done per week and math outcome.

```
data(sch29)
```

A data frame with 648 rows and 8 variables:

- schid
The school identifier (the grouping variable)

- ses
Student-level socioeconomic status

- byhomewk
Total amount of time the student spent on homework per week. 1 = None, 2 = Less than one hour, 3 = 1 hour, 4 = 2 hours, 5 = 3 hours, 6 = 4-6 hours, 7 = 7 - 9 hours, 8 = 10 or more

- math
Mathematics score.

- male
Dummy coded gender, 1 = male, 0 = female

- minority
Dummy coded minority status, 1 = yes, 0 = no

- mses
Aggregated socioeconomic status at the school level

- mhmwk
Aggregated time spent on homework at the school level

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