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Mathematics, 27.05.2021 17:20 eggg65

Please help me The number of emails a friend received each day over the last 20 days is shown below. What is the cumulative frequency table that represents the data? What number of days did she receive 19 or fewer emails in a day? 15 22 18 9 32 35 14 10 34 45 21 25 6 12 7 14 16 20 5 37
In the following situation, identify the population and sample. Tell whether the sample is a random, systematic, or stratified sample: At an online store, every tenth purchaser is asked to complete an online survey.
A pollster is trying to determine who the people in the state think will be the best candidate for senate. Her staff calls 1000 people in the 4 major cities of the state. Will this plan give a good sample? Explain.
A restaurant serves 4 different sandwiches, 3 different sides, and 3 different beverages for lunch. How many possible meals are there?

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Please help me The number of emails a friend received each day over the last 20 days is shown below...

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