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You decide to research a certain topic. You collect data and organize them into a 5 X 7 table. You find that a chi-square test would be valid for your data, and find that this table has a X^2 of 34.5.
A. What conclusion would you draw about the relationship between these two variables if alpha(a) = .05?
B. What conclusion would you draw about the relationship between these two variables if alpha(a) = .10?
Given that this sample is extremely large, can the responses be considered to be representative of the population of the United States? Explain.
The firm's best assessment is a .3 probability of strong demand. the expected value of perfect information about demand is?
if a data set has an even number of observations the mediana. is the average value of the two middle itemsb. is the
Only 10% of American adults can name the capital of the Czech Republic. On a television game show the three randomly selected contestants are given the question "What is the capital of the Czech Republic?" The probability that none of them will kn..
Construct the sampling distribution of sample means for samples of size 2 selected from this set and construct the sampling distributions of sample ranges for samples of size 2
A sample of 120 homes sold recently in a big city gave the mean price of homes equal to $270,000 and the standard deviation equal to $70,000. (a) What is the point estimate of the mean price of all homes in the big city?
Suppose that weights of bags of potato chips coming from a factory follow a normal distribution with mean 12.8 ounces and standard deviation .6 ounces.
suppose a point xy is chosen at random from the disk x2 y2 lt 1. find a the marginal density of x and b the
there are three different routes connecting city a to city b. how many ways can a round trip be made from a to b and
The specification limits are set between 15.8 and 16.2 ounces.
The next 20% a B, the next 42% a C, the next 18% a D and the bottom 12% an F. What average must you exceed to obtain an A?
consider two urns. the first contains two white and seven black balls and the second contains five white and six black
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