Question: Use BA II Plus Calculator when it is necessary. Microsoft Corporation conducted a study to analyze the amount a family of four (4) spends on

Use BA II Plus Calculator when it is necessary.

Microsoft Corporation conducted a study to analyze the amount a family of four (4) spends on groceries in a typical week. The results were arranged in the following Frequency Distribution.

Amount Spent ($) Frequency 80 to under 90 2 90 to under 100 4 100 to under 110 10 110 to under 120 25 120 to under 130 9 Total: 50

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