# Summaries

A specialist teacher observes the time taken by each of the students with learning disabilities to complete a psychological task. She summaries the times using the following:

Using the given data, calculate the

(i) mean (3)

(ii) mode (4)

(iii) median (4)

(iv) range (2)

(v) variance (4)

(vi) standard deviation

(1) 5 2130 4 3140 1

Time Taken(mins) | 1-5 | 6-10 | 11-12 | 16-20 |

No. of Student | 2 | 4 | 12 | 4 |

Using the given data, calculate the

(i) mean (3)

(ii) mode (4)

(iii) median (4)

(iv) range (2)

(v) variance (4)

(vi) standard deviation

(1) 5 2130 4 3140 1

### Correct answer:

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