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Unit Quiz: Averages (From a list and tables, Stem and Leaf)

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Q1. Calculate the mean number of score.

Options:

  1. 2.5
  2. 1
  3. 3

Correct Answer:

  1. 2.5

Q2. Calculate the mean score.

Options:

  1. 3.2
  2. 1
  3. 1.5
  4. 3.1

Correct Answer:

  1. 3.1

Q3. Calculate the mean number of eggs laid each day.

Options:

  1. 1.85
  2. 2
  3. 1.7
  4. 1.6

Correct Answer:

  1. 1.7

Q4. Calculate the mean mark from the grouped frequency table.

Options:

  1. 59.1
  2. 9.5
  3. 2995
  4. 50

Correct Answer:

  1. 59.1

Q5. Calculate the mean weight from the grouped frequency table, to 1 decimal place.

Options:

  1. 13.4
  2. 72.9
  3. 5835

Correct Answer:

  1. 72.9

Q6. Calculate the mean age from the grouped frequency table, to 1 decimal place.

Options:

  1. 24.3
  2. 730
  3. 4.05

Correct Answer:

  1. 24.3

Q7. Calculate the mean of the set of numbers.

Options:

  1. 79
  2. 10
  3. 9.875
  4. 14.5

Correct Answer:

  1. 9.875

Q8. Calculate the median of the set of numbers.

Options:

  1. 19
  2. 10
  3. 9.5
  4. 9

Correct Answer:

  1. 9.5

Q9. Calculate the range of the set of numbers.

Options:

  1. 19
  2. 3
  3. 10.5
  4. 16

Correct Answer:

  1. 16

Q10. Find the mode of the set of data.

Options:

  1. 3
  2. 5
  3. 7
  4. 12

Correct Answer:

  1. 7

Q11. What is the largest number in the stem and leaf diagram?

Options:

  1. 9
  2. 94
  3. 98
  4. 88

Correct Answer:

  1. 98

Q12. What is the range of the numbers in the stem and leaf diagram?

Options:

  1. 6
  2. 4
  3. 46
  4. 40

Correct Answer:

  1. 46

Q13. What is the median of the numbers in the stem and leaf diagram?

Options:

  1. 3.5
  2. 72
  3. 73.5
  4. 7

Correct Answer:

  1. 73.5