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Question: Multicultural perceptions in education. Yang and Montgomery (2012) studied how teachers and prospective teachers perceive diversity in an educational environment. In their study, participants responded with their level of agreement to many statements regarding diversity on a scale from -5 (most unlike me) to +5 (most like me); the median value, 0, indicated a neutral rating. One item stated, "Some cultural groups are not prepared enough to achieve in America" (Yang & Montgomery, 2012, p. 32). The researchers ranked the responses to each item and found that the response to this item was associated with a z score of -0.76. In this example, find the proportion of area to the right of -0.76.
Expectation and variance of a random variable and let X be a random variable with the following probability distribution:
"Manifest Destiny was a powerful force in nineteenth century America not only calling for the expansion of the nation physically but also for spreading its ideals to more parts of the world.
A national study found that students studied, on average, 15.0 hours. You hypothesize that students at this university study more than the national average. What is your alternate hypothesis? (Assume x represents the University students, and μ is the..
Find the sample space S for this experiment.- List the outcomes in each of the events A, B, C, and D.- List the outcomes in the events A ∪ B and A ∩ B.
An Electric Co. Operates a fleet of trucks that provide electrical service to the construction industry. Monthly mean maintenance cost has been $75 per truck.
You wish to be 95% confident and have an error of 0.4 mpg. The standard deviation is estimated at 1.8. How big must the sample be?
A cyclic equilibrium process in n moles of an ideal gas with cV = 2.5R is formed of three sub-processes: a → b is a constant pressure doubling of the volume; b → c is at constant volume with decreasing pressure;c → a is adiabatic.
The distribution of B.A. degrees conferred by a local college is listed below, by major. Major Frequency English 2073 Mathematics 2164 Chemistry 318 Physics.
Assuming that these data reflect a random sample of the population of contributions that would be received, compute the sampling error based on the claim made by the consulting firm.
Assume there're three states of the economy: boom, moderate growth, and recession. The annual return on company A stock and company B stock in each state of the economy is given below
What is the R and adjusted R-square for all independent variables entered simultaneously and what variables provide a significant unique contribution(s)?
What are the measures of center and why are they important? What are the measures of variation and why are they important?
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