b) What percent of adults flossed six times per week? (Round your answer to two

Question

b) What percent of adults flossed six times per week? (Round your answer to two decimal places.) _______%

c) What percent flossed at most three times per week? (Round your answer to two decimal places.) ________%

10. +-19 points My Notes Sixty adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below Flossing Frequency for Adults with Gum Disease # Flossing per week | Frequency | Relative Frequency | Cumulative Relative Freq 27 0.4500 15 0.8833 6 0.1000 0.0167 E Part (a) Fill in the blanks in the table. (Round your answers for relative frequency and cumulative relative frequency to four decimal places.) Flossing Frequency for Adults with Gum Disease # Flossing per week | Frequency Relative Frequency Cumulative Relative Freq 27 0.4500 15 0.8833 0.1000 0.0167 APart (bl

Explanation / Answer

Solution:

We have total number of 60 adults for testing of floss. Hence we can fill following table.

b) What percent of adults flossed six times per week? (Round your answer to two decimal places.) _____1__%

Only 1 percent of adults flossed six times per week, because in row of 6, relative frequency is 0.1

c) What percent flossed at most three times per week? (Round your answer to two decimal places.) ____88.33____%

Cumulative frequency is 0.8833 for 3 flossing per week.

# Flossing per week Frequency Relative Frequency Cumulative Relative Frequency 0 27 0.45 0.45 1 15 0.25 0.7 3 11 0.1833333 0.883333333 6 6 0.1 0.983333333 7 1 0.0167 1 TOTALS 60 1

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