For question #1, can you say that the two variables are positively correlated however, it doesn't mean that running regularly can cause one to lives longer. For question #2, are you saying that there are other variables that need to be considered?
1. A recent study confirms that people who run regularly, live longer. How can one explain that? 2. More retired people die each year than those who have not retired. Does this mean that delaying retirement will increase one's life expectancy? Explain.
How could my wife and I find out whether the South Beach Diet works for us? Write the methods section for an experiment.
Here is what i come up with. will you see if it make sense? Recruit few random women from her age group. Randomly divided them into 2 groups Assign each group one of the bicycle. Let the two groups compete and see which group perform better.
A friend of mine finished fourth in her age group in the world duathlon (run, ride, run). She has two bicycles that differ along several variables, but she isnt sure which one will be best for the next season. How could she find out? Write the methods section for an expe...
Suppose that you have developed three new kinds of hair shampoo, and you want to know how people's preference depends on their age. Design an experiment to find out.
What implications do the results of an experiment have for subjects that were not observed in the experiment?
Use the discriminate to determine the number of real solutions of the equations. 7^2-2x+1
A manufacturer is trying to decide whether to build Building A or Building B. The profit per unit is $5. Building A gets an annual cost of $100,000 with a production capacity of 25,000 units each year. Building B gets an annual cost of $200,000 with a production capacity of 50...
A brewery's filling machine is adjusted to fill bottles with a mean of 32.6 oz. of ale and a variance of 0.004. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability that the next ran...
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