90 adults with gum disease were asked the number of times per week they used to floss before theirdiagnoses. The (incomplete) results are shown below:# of times floss per weekFrequencyRelative FrequencyCumulative Frequency160.177816112282140.1556 -42 ,30.0778494110.122260110.1222716.9'0.1100.111190a. Complete the table (Use 4 decimal places when applicable)b. What is the cumulative relative frequency for flossing 2 times per week?

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Answered: 90 adults with gum disease were asked…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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110 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: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 10 0.0909 10 1 20 0.1818 30 2 9 0.0818 39 3 11 0.1 50 4 13 0.1181 63 5 21 0.1909 84 6 11 0.1 95 7 15 0.1364 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 3 times per week? %
Consider the following partially filled frequency table: Value Frequency 0.5 1.0 2.9 Calculate the mean (to 2 d.p.). Cumulative Relative Frequency Frequency 0.2 39 100
110 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: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 14 0.1273 14 1 15 0.1364 29 2 9 38 3 14 0.1273 4 11 0.1 63 5 17 0.1545 80 6 0.1091 92 7 18 0.1636 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 6 times per week? %
Subm Terms of Use I Privacy Cente 2. Household Televisions O 2021 McGraw Hill LLC. All Rights Resenved. 5. 1. 2 0. 1. 1. 2. 2. 0. Household Televisions 2 4. 2 6. 2 4. 0. 14. 96 Thirty households were surveyed for the number of telewisions in each home. Following are the results. Construct a frequency histogram. Continue Scool
130 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: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0.1077 14 13 0.1 27 13 40 3 15 0.1154 55 4 19 0.1462 74 5. 21 0.1615 6. 13 0.1 108 22 0.1692 130 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 2 times per week? Submit Question
A scale is known to be "low-calibrated" in that it measures an aluminum bar to be 4 grams lower than the actual weight. If ????μold is the mean of all possible measurements of the bar using the old calibration, and ????μnew is the mean of all possible measurements of the bar using a re-calibrated scale. It is desired that ????−????=4μnew−μold=4. Consider the test ?0:????−????=4H0:μnew−μold=4 vs. ?0:????−????≠4H0:μnew−μold≠4 Sample after calibration: mean is 95.8 , SD is 4.9 and sample size is 10 Sample before calibration: mean is 89.352 , SD is 4.2 and sample size is 62 We do not know population standard deviations. What is the p-value? (Hint: best to use software, or else the Desmos Calculator for the 2 sample T and Z test)
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110 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: # of times floss per week 0 1 2 3 4 5 6 7 Frequency 7 16 12 13 Relative Frequency 0.0636 0.1455 0.1091 0.1182 14 22 16 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 1 time per week? 0.1273 0.2 0.1455 Cumulative Frequency % 7 23 35 48 72 94 110
110 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: # of times floss per week Frequency 0 1 15 2 3 4 5 6 7 5 Relative Frequency 0.1364 0.0454 12 13 14 18 14 19 a. Complete the table (Use 4 decimal places when applicable) 0.1091 0.1182 0.1273 0.1636 0.1273 0.1727 X Cumulative Frequency 32 15 20 45 59 77 91 110

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