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Suppose Ho: px = py isbeingtested agrunst H1:Px *py oo the basis of two independent sets of 100 Bernoulli trials. If x , the number of successes in the first set, is 60 and y , the number of successes in the second set, is 48, what P-value would be associated with the data?
life expectancies for men and women were measured by country. it was found that the average male life expectancy was
The time required to drive from Detroit to Lansing is an example of a discrete random variable.
question use the program binomial probabilities to find the probability that in 100 tosses of a fair coin the number of
question university h has decided to accommodate more students this fall. knowing that typically 40 if the students
Suppose that you wish to perform a nonparametric test for a difference among the medians of three or more independent populations. Which of these tests would be appropriate?
3 of 20 students are selected to a committee. they will be president vice president and secretary. how many different
Construct a 90% confidence interval for the population proportion, p, in order to test the claim from a confidence interval point of view. What is the best point estimate for p?
The management of White Industries is considering a new method of assembling its golf cart. The present method requires 42.3 minutes, on the average, to assemble a cart.
The mean change score for the sample studied is an increase of 5.2. What is considered a medium effect size for a t test for dependent means?
question 1 what is the difference between the chi-square test for goodness-of-fit and the chi-square test for
A random sample of 100 computers showed a mean of 115 gigabytes used with a standard deviation of 20 gigabytes. What is the standard error of the mean?
Use this information to answer questions 2-4. Following a brushfire, a forester takes core samples from the ten surviving Bigcone Douglas-fir trees in a test plot within the burn area, and a dendrochronologist determines the age of the source tree..
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