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3 years ago

Work out the mean for the data set below: 403, 404 Give your answer as a decimal.

Mathematics

1 answer:

mihalych1998 [28]3 years ago

7 0

Answer:

605.5

Step-by-step explanation:

When you do a frequency table for this question,the zigma F becomes 2 and the zigma fx becomes 1211.Because you will multiply the marks by the frequency to get the zigma fx so after getting them you add it.Which becomes 403+808=1211.the formula for finding the mean too is zigma fx/zigma f: 1211/2=605.5

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