Today’s SAT Question of the Day is about a bar chart:
We are asked to find the median number of days spent on business trips for the employees of this company.
Tag Archives: data
ACT Question of the Day Explained – February 9, 2014 – Science
Today’s ACT science question of the day is a data interpretation question. (Basically, we have to read a data table.)
We are given a table of sediment concentrations at various depths that’s something like this:
| Depth (cm) |
Temperature (oC) |
pH | Concentration in sediment (ppm) | |||||
| SO42– | S2– | CO2 | Fe3+ | Fe2+ | O2 | |||
| 0 | 4 | 7.0 | 7.0 | 0.0 | 1.0 | 4.0 | 0.5 | 2.0 |
| 5 | 5 | 6.5 | 5.0 | 2.0 | 1.5 | 3.0 | 1.5 | 1.0 |
| 10 | 7 | 6.0 | 3.5 | 3.5 | 2.0 | 2.0 | 2.0 | 0.0 |
| 15 | 9 | 5.5 | 3.3 | 3.8 | 3.0 | 0.8 | 3.8 | 0.0 |
| 20 | 10 | 5.0 | 3.0 | 4.0 | 1.0 | 0.5 | 4.0 | 0.0 |
The test maker would like us to tell them which ion and dissolved gas has a constant concentration at depths of 10 cm or more. Continue reading
ACT Question of the Day Explained – January 24, 2014 – Science, Charts
Today’s ACT question of the day involves a sort of homemade sundial. A student (who must not have internet access or who has broken his iPhone) has placed a stick in the ground and measured the length of its shadow at certain times of the day.