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Just because two or more values are different does not mean that they are different in a statistically significant manner. Researchers rely on the p values that are generated for each of their statistical tests to determine significance. If the p value is larger than the alpha, then they are not different in a statistically significant manner, and therefore the values are not considered different. In this journal activity, consider these concepts in terms of the differences between null and alternative hypotheses, and discuss this question: What is the difference between failing to reject the null hypothesis and having evidence to support the alternative hypothesis?
A sample of 3000 observations has a mean of 82 and a standard deviation of 16. Using the empirical rule, find what percentage of the observations fall in the intervals , and x+/- 1s, x+/- 2s x+/- 3s.
Use a standard normal table such as this one to determine the probability that a randomly chosen high school student who took the SAT in 2015
Create a probability model for this carnival game.- Find the expected number of darts you'll throw.- Find your expected winnings.
use the following information to answer the question. suppose that a recent poll of american households about pet
A study is carried out to estimate the proportion of residents of a certain city and its suburbs who are in favor of the construction of a nuclear power plant.
For a population containing N=902 individuals, what code number would you assign for:
A solving the problem is 1/2 and B not solving it is 1/4. The whole probability of the problem being solved is 63/64 then what is the probability of solving it?
A system requires the use of 26 units of this component and all the components must function for the system to work. What is the system failure rate?
What does Augustus claim to be the source of his power? What achievements did he stress and why? How did Tacitus have a different view of Augustus' rule?
the labor bureau wants to estimate at a 98 confidence level the proportion of all households that receive welfare. the
Use these data to test H0 from a.i. What do you conclude about the test and its ramifications for the specialist's study?
A nectarine-packing firm claims that the nectarines they ship have a mean weight of 5.22 ounces. A test on n = 10 randomly selected nectarines, gave the following results, in ounces:
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