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1. A diagnostic kit (for measuring a particular protein level in blood) can be used to test 16 blood samples. To check for kit-to-kit consistency the manu facturer tested the blood from 16 patients with two different kits. The data are recorded in diagnost ic .txt. What is your assessment of kit-to-kit con sistency.
2. The diameters of 14 rods are measured twice, once with each of two different calipers. Is there a difference between the two types of caliper? Write a brief report addressing this question based on the data in caliper .txt.
a researcher with ministry of transportation is commissioned to study the drive times to work one-way for u.s. cities.
a particular telephone number is used to receive both voice calls and fax messages. suppose that 25 of the incoming
What is the approximate permutation test P-value and What is the permutation test P-value for testing the equality of the means versus the hypothesis that the mean change for the treatment group is larger than the mean treatment for the control gro..
If I have 3 tables in the classroom with 16 girls and 8 boys in the class, what are the chances of 8 girls sitting at one table when seats are assigned randomly?
What is (are) the mode(s)? Does it make sense to talk about the average for this data? Why or why not?
a. Is it possible for a variance to be negative? Explain. b. What is the smallest value a variance can be? Under what conditions does the variance equal this smallest value?
The average stock price for companies making up the S&P 500 is $30, and the standard deviation is $8.20. Assume the stock prices are normally distributed.
test the hypothesis that the mean μ = 100 against the alternative μ ≠ 100. Find the type II probability when the true mean heat evolved is 103.
egg sales are a major concern at mv grocery. the following gives the demand for the past eight weeks in dozens. week
question 1 a recent national survey asked adults if they thought the government should continue to fund nasas efforts
Find the probability that all 3 ignition systems are good.d- which is better: the answer from part (b) or the answer from part (c)? why?
A large electronics company wants to estimate the proportion of all households that own GPS machines. What sample size is required that would give the maximum error of 2.0% for a 95% confidence interval? An unscientific survey had a result of 30%.
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