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Two professors, a macroeconomist and an econometrician, are driving south to visit their friend in Princeton. Neither of them knows precisely how to get there. They arrive at a two-way intersection, and they have to decide which of roads A or B to take. Only one of these two roads leads to Princeton, while the other would take them to Pennsylvania (and of course there is no road signal indicating the direction to Princeton). If the macroeconomist was to decide which road to take, he would choose the correct one with probability p. If the econometrician was to decide, she would choose the correct one with probability q. Consider two strategies the couple could follow: (i) Randomly choose one of them (probability 1/2 for each) and let that person decide which road to follow; or (ii) Have them both think about what road should be taken and then either take the road that they both think is correct if they agree or, if they disagree, ‡flip a fair coin to determine which road to take. QUESTION: Which of these strategies is better for the professors and why? How does you answer depend on p and q?
single sample hypothesis testing z-tests1. for the population at large test scores on the wechsler intelligence scale
If the budget analyst wanted to build a regression model using only two independent variables to predict nursing salaries, what variables should be used?
Develop a scatter diagram for these data. Try to approximate the relationship between x and y by drawing a straight line through the data.
Peter hopper, director of quality control for harley davidson
Calculate an appropriate measure of agreement between DHEC and the independent company - Estimate for the proportion with a fast reaction time for each sex.
Write a brief note stating the circumstances under which cusum charting may be preferable to normal Shewart charting methods and calculate the mean of the sample values below, and suggest a suitable value for k, the cusum reference value.
find a statistics study on unemployment and explain the five-step process of the study.identify the four
Research Scenario in which z-score is valuable
problem1 1. using if filter the data for these students into a column which contains the heights of only female
you are expected to complete a project related to inferential statistics. the project must contain the following
What other factors besides price might be included in this equation and do you foresee any difficulty in obtaining these additional data or incorporating them in the regression analysis?
Write a report on simple data analysis and comparison.
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