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You are doing research on balance and fitness

Question # 00012225
Subject: Statistics
Due on: 05/12/2014
Posted On: 04/13/2014 03:07 PM

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TEP 1:You are doing research on balance and fitness. To complete this research you will need a watch with a second hand. Identify a random sample of n = 12 men and n = 8 women. You must answer this question: How do you establish that this sample is truly random?

STEP 2:Have each subject perform the following task:

a) Have the subjects stand with their hands at their side, raise one knee, cross their ankle over the other knee, squat and bring their hands palms together in front of their chest. Time the subject until they put their foot back down on the floor.

b) Ask the following questions:

i) How many days per week do they exercise?

ii) What is their favorite exercise?

STEP 3: You will analyze your data and compute the following statistics for each group:

1) The Mean and standard deviation of the number of seconds the subject stayed balanced

2) The Median number of days per week exercised

3) The Mode of the favorite exercise

.

4) The 90% confidence interval of the mean

Tags fitne balance research doing following subject exercise sample random favorite mean step research number days knee week hands questions data analyze floor foot group exercised median mode confidence interval balanced stayed time statistics standard

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Posted On: 04/13/2014 03:08 PM
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Tutorial Preview …and x = x women You xxxx answer this xxxxxxxxx How xx xxx establish xxxx this sample xx truly random?A xxxxxx is xxxxx xxxxxx if xxx not biased xx any selection xxxxxx Not xx xxxx sure xxx sample is xxxxxx we can xxx various xxxxxxx xxx the xxxx would be xxxxx random numbers xx draw xxx xxxxxx from xxx population It xxxx ensure that xxx sample xx xxxxx random xx we…
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