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1. A population has a mean of 50 and a standard deviation of 6. (a) What are the mean and standard deviation of the sampling distribution of the mean for N = 16? (b) What are the mean and standard deviation of the sampling distribution of the mean for N = 20? 2. Given a test that is normally distributed with a mean of 100 and a standard deviation of 12, find: a. the probability that a single score drawn at random will be greater than 110 b. the probability that a sample of 25 scores will have a mean greater than 105 c. the probability that a sample of 64 scores will have a mean greater than 105 d. the probability that the mean of a sample of 16 scores will be either less than 95 or greater than 10
1. hint let pi 0.02 as shown in the table for nofree premium channels.a. pxlt 3 b. px 0 px 1 c. px gt 4 1 - px le4
Produce a short report to update your manager on both the method and results of your analysis and the introduction od 'Six Sigma'.
Discuss the data that the graph is used to visually represent. Speculate on why the editor chose the graph, as opposed to merely reporting the data.
in a regression analysis a nurse researcher found a correlation of .82 between pain relief scores and satisfaction with
1. introductionexplain the purpose of the study.ii. summary of data collectionidentify sample population sampling frame
Test the hypothesis that there is not relationship between the proneness to use excessive force score and the force score for officers trained at Academy A.
1. length of pregnancies the length of human pregnancies from conception to birth varies according to a distribution
Perform exploratory data analysis on the relevant variables in the dataset. When possible, include appropriate graphs to help illustrate the dataset.
the electric power consumed each month by a chemical plant is thought to be related to the average ambient temperature
1.multiple choice1 medical care and compensation costs for workers injured on the job vary and are strongly skewed. the
this assignment requires a considerable amount of computer work and written comment. you may need to seek guidance from
the hypothesis that there is a relationship between perceptions of police performance and area of the city for Montgomery. What might you tell the police chief?
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