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The number of sandwiches sold by a fast-food outlet for 15 consecutive days is given below....

The number of sandwiches sold by a fast-food outlet for 15 consecutive days is given below.
19 14 25 17 29 24 36 23 9 26 22 31 19 28 8
2.1. Using the raw data, determine the range.
2.2. Group the data into a frequency distribution with a lowest class lower limit of 8 and a class width of 7.
2.3. Determine the mean using the raw data.
2.4. Draw an OGIVE curve corresponding to the data and use it to estimate the median.

Math   Statistics-And-Probability   
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