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Here are summary data from a z test regarding scores on the consideration of future consequences scale (Petrocelli, 2003). The population mean (u) is 3.20 and the population standard deviation (o) is.70. Imagine that a sample of students has a mean of 3.45.
1. Calculate the test statistic for a sample of 5 students.
2. Calculate the test statistic for a sample of 1K students
3. Calculate the test statistic for a sample of 1M student
4. Explain why the test statistics varies so much even though the population mean, population standard deviation, and samplemean do not change.
5. Why might size pose a problem for hypothesis testing and the conclusion we are able to draw?
Healthcare issues are receiving much attention in both academic and political arenas. Compute the arithmetic mean age of the uninsured senior citizens to the nearest hundredth of a year.
At a certain construction site, the probability of an accident on any given day is 0.005, and the accidents that occur are independent of each other. What is the probability that, in any given period of 40 days, there will be an accident on one da..
He also knows that the number has 7 digits and the last digit is not a zero. if jay were to dial all of the possible numbers and it takes him 21 seconds to try each one, how long will it take him to try each possibility?
Over the past decade, there has been a strong positive correlation between teachers salaries and prescription drug cost.
Suppose that (X1, Y1, Z1) = (7.0, 2.5, 1.9),(X2, Y2, Z2) = (6.3, 9.6, 4.1), (X3, Y3, Z3) = (6.9, 3.7, 12.4), (X4, Y4, Z4) = (3.6, 12.1, 6.5), (X5, Y5, Z5) = (9.0, 6.4, 11.2), (X6, Y6, Z6) = (3.0, 6.2, 7.7), and (X7, Y7, Z7) = (4.2, 0.4, 8.2) represe..
a safety engineer claims that 3 in 12 automobile accidents are due to driver fatigue. using the formula for binomial
Software. A small software company bids on two contracts. It anticipates a profit of $50,000 if it gets the larger contract and a profit of $20,000.
calculate the difference between the daughters and mothers shoe sizes data given
find a formula for the probability distribution of the random variable x representing the outcome when a single die is
Construct the frequency distribution of patient ages. Group the data by 5's, i.e. 20-24, 25-29, etc. Be sure to include frequency
Suppose that when a transistor of a certain type is subjected to an accelerated life test, the lifetime X (in weeks) has a gamma distribution with mean 24 weeks and standard deviation 12 weeks.
question an agricultural sprinkler distributes water in a circular pattern of radius 100 ft. it supplies water to a
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