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Students in a class are asked how often they read online newspapers. They answer using a 1,2,3,4,5 scale, where 1 = "never" and 5 = "every day." Their data are as follows: 4,5,1,1,5,3,1,4,1,5,3,5.
A. If this is a population, what is N?
B. Give the population p(y) in list form.
C. Give the process p(y) in list form. (Note: Process precedes the population.)
estimating confidence interval for mean value of y dependent variable.consider the simple linear regression of y
Label and describeeach step of the hypothesis testing procedure, and be sure to specify whether this is a one-tailed or two-tailed test.
Withdrawals of $400 for 3 years. Find the balance of her account just after the last withdrawal (on february 1,2001)if the monthly interest rate is 6%.
Do you believe the results of the simulation correspond to the best policy? What is the expected number of times you would win the car using the two strategies? Does the simulation back this up?
calculate the Pearson product-moment correlation coefficient and test for significance at the .01 level and calculate a t-test and test for significance at the .05 level, 2-tailed level of significance.
Normally distribution with µ=8 minutes and σ=2 minutes. If you select random samples of 25 calls, what percentage of the sample means would be between 7.8 and 8.2 minutes?
Given the hypothesis Ho: u=400, you conduct a sample of 12 observations and obtain a sample mean of 407 and a sample standard deviation of 6. Using a .01 significance level to test to see if you would reject Ho, what would be the value of your cri..
In a survey of 750 senior business executives by Business Week magazine, 56% indicated that they felt that even if merit and abilities are equal, people with MBAs often get promoted faster than people without the degree. Prepare a 92% confiden..
Can you please explain the 1.5 sigma shift they use in determining process sigma?
a certain grade egg must weigh at least 2 oz. if the weights of eggs are normally distributed with a mean of 1.5 oz and
A certain medication is known to increase the pulse rate of its users. The variance of the pulse rate is known to be 10 beats per minute.
the data represent the number of driving fatalitites for a certain area by age for male and female drivers.
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