Finding Averages from a Tally Chart Worksheet Weight in tonnes TallyFrequency 1 2 3 4 5 6 7 8.

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Presentation transcript:

Finding Averages from a Tally Chart Worksheet

Weight in tonnes TallyFrequency

4 tonnes

2 tonnes

5 tonnes

3 tonnes

5 tonnes

2 tonnes

7 tonnes

2 tonnes

6 tonnes

4 tonnes

6 tonnes

8 tonnes

5 tonnes

8 tonnes

6 tonnes

5 tonnes

7 tonnes

6 tonnes

5 tonnes

6 tonnes

5 tonnes

6 tonnes

7 tonnes

5 tonnes

7 tonnes

6 tonnes

5 tonnes

8 tonnes

Weight in tonnes TallyFrequency

Weight in tonnes TallyFrequency 1 2 lll 3 l 4 ll 5 llll llll l 6 llll ll 7 llll 8 lll

Weight in tonnes TallyFrequency 1 2 lll 3 3 l 1 4 ll 2 5 llll llll l 11 6 llll ll 7 7 llll 4 8 lll 3

Weight in tonnes TallyFrequencyFreq x Weight 1 2 lll 32 x 3 3 l 1 4 ll 2 5 llll llll l 11 6 llll ll 7 7 llll 4 8 lll 3

Weight in tonnes TallyFrequencyFreq x Weight 1 2 lll 32 x 3 = 6 3 l 13 x 1 = 3 4 ll 24 x 2 = 8 5 llll llll l 115 x11=55 6 llll ll 76 x 7= 42 7 llll 47 x 4=28 8 lll 38 x 3=24

Weight in tonnes TallyFrequencyFreq x Weight 1 2 lll 36 3 l 13 4 ll 28 5 llll llll l llll ll llll lll 324 Total weight of all elephants =166

Weight in tonnes TallyFrequencyFreq x Weight 1 2 lll 36 3 l 13 4 ll 28 5 llll llll l llll ll llll lll 324 Total weight of all elephants =166 Mean = Mode = Median = Range =

Weight in tonnes TallyFrequencyFreq x Weight 1 2 lll 36 3 l 13 4 ll 28 5 llll llll l llll ll llll lll 324 Total weight of all elephants =166 Mean = 5.4 T Mode = 5 T Median = 5 T Range = 6 T