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Barna Research Group collected data showing church attendance by age group (USA Today, November 20, 2003). Use the sample data to determine whether attending church is independent of age. Use a .05 level of significance. What is your conclusion? What conclusion can you draw about church attendance as individuals grow older?
A consumer group conducts crash test of new model cars. to determine the severity of damage to 2006 mazda 6s resulting from 10-mph crash into a concrete wall, the research group tests six cars of this type and assesses the amount of damage. descri..
gender and belief in afterlife. the table shows results from the 2008 general social survey on gender and whether or
The quality control inspector of a production plant will reject a batch of syringes if two or more defective syringes are found in a random sample of 8 syringes taken from the batch. Suppose the batch contains 1% defective syringes.
a standard deck of cards contains 52 cards. one card is selected from the deck.a compute the probability of randomly
a supplier of wire cables has determined that the strength of the cables has a normal distribution with mean ? 2000
In addition parking time variable collected by the administration is an example of a ___________ random variable and parking are variable is an example of a ____________ random variable.
The average age of the evening students is significantly different from 21. Use a 0.01 level of significance."Compute the test statistic for the test stated in the problem"
a random sample of n 400 measurements is drawn from a binomial population with probability of success .21. give the
What is the minimum number of workers required and must include all model and solver formulas in excel.
An article in Annals of Mathematical Statistics reports the following data on the number of borers in each of 120 groups of borers. Does the Poisson pmf provide a plausible model for the distribution of the number of borers in a group?
for several years the mean number of customers per day at a restaurant has been 142. recently the number of customers
1.Why do we care whether the assumptions required for statistical tests are met? (Tip: You might also want to write your answer on a note card you paste to your computer.)
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