Tasks

1) A) The data, using the Empirical method from one, two and three standard deviations from the sample mean B) Explain why the empirical method is important in statistics.

2) A) Use the data to find the following information from your samples. B) The middle 90 % of the data you have found in your sample. C) Briefly explain what these answers represents.

3) A) Find the 95 % confidence intervals of all your data.

B) Explain the difference between 90%, 95% and 99% confidence intervals

4) Use the two samples to set up a 5 step hypothesis comparing the two samples. You should use the following steps

Your hypothesis is People spend more time in the gym at weekends than on weekdays

1. Define your hypothesis
2. Test at 0.05 significance levels and obtain critical values.
3. Do the test statistic
4. Formulate a decision on the findings of b) and c)
5. Give the result or decision of the hypothesis test and interpret what this means.

The project must be done as a report in Microsoft Word with all data in report

The data for your project is: Event 1: Event 2: Gym at weekends Mean 1: Standard deviation 1: Sample size 1: Gym on weekdays 7.53 2.97 15 Mean 2: Standard deviation 2: Sample size 2: 6.33 2.82 15