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Correlations chirps per second ground temperature in F chirps per second Pearson Correlation 1 .836** Sig. (2-tailed) .000 N 15 15 ground temperature in F Pearson Correlation .836** 1 Sig. (2-tailed) .000 N 15 15 **. Correlation is significant at the 0.01 level (2-tailed). Calculate the shared variance between ground temp and chirps per second
The result for University X was a mean of 5 hours and an estimated population variance of 2 hours; for University Y; and for University Z. What should you conclude? Use the .05 level. What should you conclude? Use the .05 level.
Assume that the joint probability density function of X and Y is given by? Find the marginal probability density function of X.
Suppose that this estimate was based on a random sample of 600 households (i.e., n = 600 and p = .64). Construct a 95% confidence interval for π, the true proportion of all households that use coupons.
The Oil Price Information Center reports the mean price per gallon of regular gasoline is $3.26 with a population standard deviation of $.18.
What is the expected value and variance for the number of contacts in eight attempts?
Calculate and plot t he new supply schedule and indicate the new equilibrium price and quantity on your diagram
Find a 96% confidence interval for the true percentage of all households that have central air conditioning. Write a sentence that interprets this interval.
What is the probability of getting the first questions correct and miss the fourth with five possible answers to each question?
When would you use a one- or two-sample hypothesis test? Provide examples. What are the differences between dependent and independent samples? Provide examples.
question 1at a particular hospital 98 of all babies survive delivery. however 15 of all births involve caesarean
What is the probability that any given box is under the 450 grams than the box is supposed to weigh and what is the probability that the total weight of a given "2-pack" is less than 900 grams?
Exponential distribution witha a mean value of 4 minutes. What is the probability that you will be served in less than three minutes on 4 of the next 6 days.
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