1 PubH 6414 NAME: Practice Exam 2 1. Cervical cancer patients
... A questionnaire was given to the 212 attendants of the 1988 annual meeting for the New Jersey Society for Medical Technology. (Attendants of this meeting are laboratory workers who handle serum samples.) One of the questions was, “I feel my employer offers adequate counseling in the event of an acci ...
... A questionnaire was given to the 212 attendants of the 1988 annual meeting for the New Jersey Society for Medical Technology. (Attendants of this meeting are laboratory workers who handle serum samples.) One of the questions was, “I feel my employer offers adequate counseling in the event of an acci ...
Key for Exam
... Both of her scores are above the mean. Which one is the more unusual, assuming that the normal model applies? (a) ACT (b) Total SAT (c) They are equally unusual (d) This is not enough information to answer the question 24-25. Let Y be a random variable with a normal distribution with mean µ = 50 and ...
... Both of her scores are above the mean. Which one is the more unusual, assuming that the normal model applies? (a) ACT (b) Total SAT (c) They are equally unusual (d) This is not enough information to answer the question 24-25. Let Y be a random variable with a normal distribution with mean µ = 50 and ...
One-Sample z Interval Homework
... 1. The gas mileage for a certain model of car is known to have a standard deviation of 5 mpg. A simple random sample of 64 cars of this model is chosen and found to have a mean gas mileage of 27.5 mpg. Construct and interpret a 95% confidence interval for the mean gas mileage for all cars of this mo ...
... 1. The gas mileage for a certain model of car is known to have a standard deviation of 5 mpg. A simple random sample of 64 cars of this model is chosen and found to have a mean gas mileage of 27.5 mpg. Construct and interpret a 95% confidence interval for the mean gas mileage for all cars of this mo ...
Old Exam 2 with solution
... 14. Find the following p-values (if the probability is between two values in the table then indicate this as a range; e.g., prob = 0.05 to 0.025) a. H1 > 20 and z* = 2.55 b. H1 < 20 and t* = 2.32 with n = 8 c. H1 P > .20 and z* = 2.38 ...
... 14. Find the following p-values (if the probability is between two values in the table then indicate this as a range; e.g., prob = 0.05 to 0.025) a. H1 > 20 and z* = 2.55 b. H1 < 20 and t* = 2.32 with n = 8 c. H1 P > .20 and z* = 2.38 ...
Sample Size Calculation for SRS when Estimating Proportions
... change their teaching style to accommodate new educational initiatives, such as the Common Core State Standards. ...
... change their teaching style to accommodate new educational initiatives, such as the Common Core State Standards. ...
An Introduction to Statistics Course (ECOE 1302)
... 4. ( F ) Given a sample mean of 2.1 and a population standard deviation of 0.7 from a sample of 10 data points, a 90% confidence interval will have a width of 2.36 5. ( F ) Suppose you are constructing a confidence interval for the population mean. For a given confidence level and standard deviation ...
... 4. ( F ) Given a sample mean of 2.1 and a population standard deviation of 0.7 from a sample of 10 data points, a 90% confidence interval will have a width of 2.36 5. ( F ) Suppose you are constructing a confidence interval for the population mean. For a given confidence level and standard deviation ...
The t-test - University of South Florida
... about means, you will use t. The t distribution is a short, fat relative of the normal. The shape of t depends on its df. As N becomes infinitely large, t becomes normal. ...
... about means, you will use t. The t distribution is a short, fat relative of the normal. The shape of t depends on its df. As N becomes infinitely large, t becomes normal. ...
AP Statistics - edventure
... 8. If a statistic used to estimate a parameter is such that the mean of its sampling distribution is different from the true value of the parameter being estimated, the statistic is said to be (a) Random (b) Biased (c) A proportion (d) Unbiased (e) None of the above. 9. A machine is designed to fill ...
... 8. If a statistic used to estimate a parameter is such that the mean of its sampling distribution is different from the true value of the parameter being estimated, the statistic is said to be (a) Random (b) Biased (c) A proportion (d) Unbiased (e) None of the above. 9. A machine is designed to fill ...
Error analysis
... but we have no specific details information about the nature of this distribution. Let us for this example say that it is the triangular distribution depicted in Illustration 1. In this case, the probability of observing a value in the range M to M+dM is $$p(M) = 2(1M)$$. We emphasize that this deta ...
... but we have no specific details information about the nature of this distribution. Let us for this example say that it is the triangular distribution depicted in Illustration 1. In this case, the probability of observing a value in the range M to M+dM is $$p(M) = 2(1M)$$. We emphasize that this deta ...
