can you please help me to answer this questions 1. What was the null hypothesis

Question

can you please help me to answer this questions

1. What was the null hypothesis for the cardiovascular fitness experiment?

2. Answer the following questions based experiment:

a. What were the independent and dependent variables?

b. What was/were the controlled variable(s)?

c. How was the experiment replicated?

3. Attach your graph showing the results of the experiment and explain the figure. What should the reader take away from your experiment based on the graph?

4. Present your t-test statistic results:

a. What was the test statistic value for your experiment?

b. what is the probability that the differences observed between Groups l &2are due to chance alone?

c. Should the null hypothesis be rejected based on the t-test statistical results? Why did you make this conclusion?

d. What other experiments could be carried out to further test your hypothesis?

5. what improvements would you make to the experiment next time ran it?

Explanation / Answer

1.The null hypothesis states that there is a 35 percent difference in the cardiovacular fitness of the two groups of men of different ages and exercise is not responsible for this difference.

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