Numeracy Higher November 2016 Unit 1 Q9
9. Circle TRUE or FALSE for each of the following statements. [2]
| Selecting the first name on each class register will give a random sample. | TRUE | FALSE |
| The ratio of boys to girls in a school is 2 : 3. The pupil committee of 30 pupils is selected using a gender stratified sample. There are 10 boys and 20 girls on the school committee. | TRUE | FALSE |
| A telephone survey is carried out to find which political party people support. The sample of people surveyed is not a random sample of the whole population. | TRUE | FALSE |
| A stratified sample always considers proportions according to given criteria. | TRUE | FALSE |
| A random sample of people means everyone has an equal chance of being selected. | TRUE | FALSE |
| Scheme | Marks | Comments |
|---|---|---|
| FALSE FALSE TRUE TRUE TRUE | B2 | B1 for any 4 entries correct |