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

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## Q1.Calculate the mean number of score. 1. 2.5
2. 1
3. 3

1. 2.5

## Q2.Calculate the mean score. 1. 3.2
2. 1
3. 1.5
4. 3.1

1. 3.1

## Q3.Calculate the mean number of eggs laid each day. 1. 1.85
2. 2
3. 1.7
4. 1.6

1. 1.7

## Q4.Calculate the mean mark from the grouped frequency table. 1. 59.1
2. 9.5
3. 2995
4. 50

1. 59.1

## Q5.Calculate the mean weight from the grouped frequency table, to 1 decimal place. 1. 13.4
2. 72.9
3. 5835

1. 72.9

## Q6.Calculate the mean age from the grouped frequency table, to 1 decimal place. 1. 24.3
2. 730
3. 4.05

1. 24.3

## Q7.Calculate the mean of the set of numbers. 1. 79
2. 10
3. 9.875
4. 14.5

1. 9.875

## Q8.Calculate the median of the set of numbers. 1. 19
2. 10
3. 9.5
4. 9

1. 9.5

## Q9.Calculate the range of the set of numbers. 1. 19
2. 3
3. 10.5
4. 16

1. 16

## Q10.Find the mode of the set of data. 1. 3
2. 5
3. 7
4. 12

1. 7

## Q11.What is the largest number in the stem and leaf diagram? 1. 9
2. 94
3. 98
4. 88

1. 98

## Q12.What is the range of the numbers in the stem and leaf diagram? 1. 6
2. 4
3. 46
4. 40

1. 46

## Q13.What is the median of the numbers in the stem and leaf diagram? 1. 3.5
2. 72
3. 73.5
4. 7