Question
Subject Balance Time (sec) Number of Days Exercise Favorite Workout 1 113 1 Cardio 2 80 2 Squats 3 61 5 Squats 4 125 1
Subject | Balance Time (sec) | Number of Days Exercise | Favorite Workout |
1 | 113 | 1 | Cardio |
2 | 80 | 2 | Squats |
3 | 61 | 5 | Squats |
4 | 125 | 1 | Weights |
5 | 51 | 6 | Squats |
6 | 113 | 2 | Squats |
7 | 55 | 5 | Running |
8 | 81 | 4 | Weights |
9 | 77 | 6 | Cardio |
10 | 31 | 1 | Running |
11 | 25 | 2 | Weights |
12 | 27 | 2 | Running |
13 | 104 | 6 | Weights |
14 | 65 | 1 | Cardio |
15 | 65 | 1 | Weights |
16 | 119 | 2 | Weights |
17 | 48 | 6 | Squats |
18 | 85 | 1 | Squats |
19 | 47 | 1 | Squats |
20 | 107 | 1 | Cardio |
Descriptive Statistics
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 percent of the subjects that stayed balanced longer than 75 seconds
Probability
You will analyze your data and compute the following probabilities:
5) The probability of selecting a subject at random with a favorite exercise of running
6) The probability of selecting a subject at random with a favorite exercise of squats or they exercise more than 5 days per week
7) The probability of selecting a subject at random with a favorite exercise of cardio and they exercise 1 day per week
8) Assume that the probability of an athlete exercising less than 3 days per week is 30%. Use the number of days per week of your first subject as x in the following calculation.Determine the probability of x out of 20 subjects exercised less than 3 days per week.
Hypothesis Testing
You will analyze your data and include the following information:
9) Identify your Null and Alternate Hypotheses using math symbols
10) Identify the level you chose
11) Calculate your test statistic
12) Identify your Critical Value
13) Determine your decision about the null hypothesis
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