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Problem: Based in a random sample of 25 units of product x, the average weight is 104 lns and the sample standard deviation is 10 lbs. We would like to decide if there is enough evidence to establish that the average weight for the population of product X is greater than 100 lbs. Assume the population is normally distributed.
Required:
Rainwater was collected in water collectors at 30 different sites near an industrial complex, and the amount of acidity (pH level) was measured.
1. If you lived in England in seventeenth century and decided that you wanted to emigrate to the new world, which colony would you have chosen, Virginia or Massachusetts bay? why? 2. Discuss possible motivation for john smith having written "The S..
In case we rely on a single strategy, we are likely to suffer great losses when we fail to compete successfully in the crowded global market. To minimize the risks involved in global expansion, we need to have multiple of strategies focusing on bu..
The cell phone industry is growing at a rapid pace. Current estimates suggest that 60% of people have cell phones. Suppose 25 people were randomly and independently sampled.
Let F1 and F2 be two c.d.f.'s on R. Show that F1(x) = F2(x) for all x if and only if ? g(x)dF2(x) = ?g(x)dF1(x) for any nondecreasing function g.
Use the definition of the P-value to explain the following:
The researcher then modified the photo by adding a tattoo of a butterfly on the woman's left arm. The modified photo was then shown to a sample ofstudents at a local community college and the students used the same 7-point scale to rate the attrac..
Cliff Jamison sells business forms and he's regarded as a top-notch salesperson. He works hard, plans ahead, and exhibits self-confidence
What is the hypothesis being tested here? What are Ho and Ha? What is the name of the test you will run? Run the appropriate SPSS test and include the SPSS output here
A sample of 400 cars sold showed that the average price per car is $25100. Define the null and alternative hypotheses.
Who was Nelson Mandela? When and how did Nelson Mandela Die? His Movie and Books?
the data set represents the income levels of the members of a country club. find the probability that a randomly
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