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What would be the cutoff score to indicate a score that is in the top 15% of the scores on a test with a mean of 100 and a standard deviation of 15?
This question has multiple parts.
Use the following information to answer the questions below:
Spatial Ability Test Musical Ability Test
Mean 80 74
Standard Deviation 6 3
Raw Scores Spatial Ability Musical Ability
Juan 82 80
Lucinda 86 77
A. On which test did Juan do better?
B. On which test did Lucinda do better?
C. James had a z score of -1.2 on the spatial ability test. What was his score?
D. Ming Lee had a z score of +1.56 on the musical ability test. What was her score?
(a) Average rainfall during the month of January is found to be 58 mm. A Class A pan evaporation recorded an average of 8.12 mm/day near an irrigation reservoir. The average
Using log(x1), log(x2) and log(x3) as the predictors, do pair wise scatterplots of all pairs of variables (including the response) and comment (use the pairs function). Do you thin
Geometric Mean is defined as the n th root of the product of numbers to be averaged. The geometric mean of numbers X 1 , X 2 , X 3 .....X n is given as
1. If you are calculating a correlation coefficient testing the relationship between height and weight, state the null and alternative hypotheses. 2. What kind of relationship d
calcation
defin fair game
get a questionnaire that captured age at first marriage
Examples of grouped, simple and frequency distribution data
In this problem, we use the CSDATA data set, which is available in 'CSDATA.txt'. We do ne an indicator variable, say HIGPA, to be 1 if the GPA is 3.0 or better and 0 other- wise. S
Let X 1 and X 2 be two independent populations with population means μ 1 and μ 2 respectively. Two samples are taken, one from each population, of sizes n 1 and n 2 re
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