Maintaining your balance may get harder as you grow older. A study was conducted to see how steady the elderly are on th

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Maintaining Your Balance May Get Harder As You Grow Older A Study Was Conducted To See How Steady The Elderly Are On Th 1 (41.15 KiB) Viewed 81 times

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Maintaining your balance may get harder as you grow older. A study was conducted to see how steady the elderly are on their feet. They had a random sample of subjects stand on a force platform and have them react to a noise. The force platform then measured how much they swayed forward and backward, and the data are in the table below. Do the data show that the mean elderly sway measurement is higher than the mean forward sway of younger people, which is 18.125 mm? Test at the 8% level. forward sway in mm 24 33 30 13 33 24 24 22 20 34 30 31 35 28 40 31 21 36 44 36 38 23 6 24 10 21 26 26 17 13 28 19 23 19 26 22 1922 16 39 25
P: Parameter What is the correct parameter symbol for this problem? ? What is the wording of the parameter in the context of this problem? Select an answer H: Hypotheses Fill in the correct null and alternative hypotheses: Ho: ? HA: ? B ? A: Assumptions Since Select an answer check? Check all that apply. On(1-P) ≥ 10 Do is known On ≥ 30 or normal population o is unknown outliers in the data np 2 10 On(1-p) ≥ 10 no outliers in the data On(p) > 10 ON≥ 20n- mm mm information was collected from each object, what conditions do we need to
Check those assumptions: 1. Is the value of a known?? 2. Which of the following is the correct modified boxplot? 5 5 5 10 135 3. n = 245 15 20 25 30 35 forward sway in mm 10 15 21 245 222.75 10 15 20 25 30 forward sway in mm 10 15 20 25 30 35 40 forward sway in mm 21 245 32 20 25 30 forward sway in mm which is? B 32 Are there any outliers? Select an answer 32 38 35 40 45 44 35 40 45 a 44 q 40 45 Q 44 45 a Is it reasonable to assume the population is normally distributed? Select an answer 8
N: Name the test The conditions are met to use a Select an answer e T: Test Statistic The symbol and value of the random variable on this problem are as follows: 78= t= The test statistic formula set up with numbers is as follows: Round values to 2 decimal places. X-H DIN[ The final answer for the test statistic from technology is as follows: Round to 2 decimal places. t= mm O: Obtain the P-value Report the final answer to 4 decimal places. It is possible when rounded that a p-value is 0.0000 P-value- M: Make a decision Since the p-value? @ we Select an answer S: State a conclustion There Select an answer significant evidence to conclude Select an answer 8 Question Help: Video 1 Submit Question Jump to Answer Select an answer B Video 2 Message instructor mm