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Question: A study is done to determine if students in the California state university system take longer to graduate, on average, than students enrolled in private universities. One hundred students from both the California state university system and private universities are surveyed.
Suppose that from years of research, it is known that the population standard deviations are 1.5811 years and 1 year, respectively. The following data are collected. The California state university system students took on average 4.5 years with a standard deviation of 0.8. The private university students took on average 4.1 years with a standard deviation of 0.3.
a 95 confidence interval for a population mean u is given as 18.958 21.015. this confidence interval is based on a
if one card is drawn from a standard 52 card playing deck determine the probability of getting a jack a three a club or
The following survey questions have been established for a medical errors and patient safety business research paper:
A mean of 45 months and a standard deviation of 8 months. if a random sample of 600 batteries is selected, how many batteries would weigh last more than 48 months?
The weight of a .5 cubic yard bag of landscape mulch in uniformly distributed over the interval from 38.5 to 41.5 pounds. Give a mathematical expression for the probability density function.
Two automatic dispensing machines are being considered for use in a fast-food chain. The first dispenses an amount of liquid that has a normal distribution with a mean of 11.9 ounces and a standard deviation of 0.07 ounces.
The reliability procedure that involves correlation of partial scores from one administration of one test is test-retest
you will submit one word document for this assignment. you will create this word document by cutting and pasting spss
HCAD 6671- Final Exam Take-Home Compute an appropriate test statistic. Give the p-value - State an appropriate conclusion, both in statistical terms (reject/don't reject) and in the context of the problem.
the capital asset pricing model is a financial model that assumes returns on a portfolio are normally distributed.
given the following data setx3791115y1116161616find the correlation coefficientusing this to predict the value of y
1.i have fit a line to data representing cholesterol readings for 28 individuals starting a cholesterol reducing drug.
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