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Question 6 Using the DOT status groups, generate the chi-squared test statistic, by hand, using a calculator, or using a computer. Alpha = 0.05 df = _____ (5 pts) Critical value = _____ (5 pts) Chhi-squared test statistic = _____ (5 pts) Based on comparing the Chi square statistic to the critical value which of the following is true? (5 pts) a. Successful outcome is dependent on DOT status. b. Successful outcome is independent of DOT status. c. No conclusion can be made. d. The Chi square test is invalid because of only 1 degree of freedom. Observed Treatment Success DOT Yes No Total Yes 186 64 250 No 86 60 146 Unknown 3 0 3 Total 275 124 399 Expected Treatment Success Values DOT Yes No Total Yes 172.31 77.69 250 No 100.63 45.37 146 Unknown 2.07 .932 3 Total 275 124 399
Difference between a leader and a manager would be the way they encourage their employees or those individuals that follow them, which sets the tone for the most part of what they do.
For a pressure of 1.00 atm and a temperature of 26.0C, utilize the ideal-gas law to estimate the number of air molecules in the room. Presume all the air is N2. Express your answer to three important figures and include the appropriate units. Compute..
What proportion of textbooks receive favourable reviews?
An insulated spherical conductor of radius r1 carries a charge Q. A second conducting sphere of radius r2 and initially uncharged is then connected to the first with a long conducting wire. How much charge is transferred to the second sphere? Suppose..
Briefly describe why life insurers typically invest most
An electron starts from rest 86.5 cm from a fixed point charge with Q = -0.204C. What total potential dissimilarity accelerates the electron to being very far away from Q?
Through a nuclear accident, 510m3 of emergency cooling water at 18C are injected into a reactor vessel where the reactor core is producing heat at the rate of 200 MW. If the water is allowed to boil at normal atmospheric pressure, how long will it ta..
Test of two means.
Positive charge is spread uniformly over the surface of a spherical balloon 70cm in radius, resulting in an electric field of 38kN/C at the balloon's surface. Discover the field strength 50cm from the balloon's center. What is the net charge on the b..
Some of the earliest atomic models held that the orbital velocity of an electron in an atom could be correlated by means of the radius of the atom. If the radius of the hydrogen atom is 5.29*10-11 m and the electrostatic force is responsible for the ..
in table 2 in p. 175 hatchett and park 2004 presented the correlations among optimism lot-r total and positive items
The telephone bills send via regular mail
What is the conditional probability that a student likes gospel music if we know that he or she likes country music?
Draw a time line to show the cash flows of project. Evaluate the projects payback period, profitability index net present value and internal rate of return
Define the hypothesis and find the standard error of the difference in the means also find the test statistic - Determine the required sample size to be able to use a 99% confidence interval.
What is Goldbergs rationale for the study? Was the study designed to contribute to theory? Do the results of the study contribute to theory and how does a multiple-baseline design differ from a reversal design?
Develop a Pareto chart to identify the more significant types of rejection.
Find the probability that - exactly two of the workers have been exposed to asbestos - Find the probability that exactly 15 babies are female.
It is known that 35% of the members of a certain population suffer from one or more chronic diseases. What is the probability that in a sample of 200 subjects drawn at random from this population 80 or more will have at least one chronic disea..
odds ratio odds ratio or is sometimes reported instead of relative risk. this normally gives the odds or likelihood of
The distribution of scores was approximately bell
Can you please show me step by step how to solve Statistics for Business and Economics, 12 edition, Case Studies: Air Force Training Program (pg. 503-504) and Wentworth Medical Center (pg. 591-592)?
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