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Section I: Data File Description (One Paragraph)
Section II: Testing Assumptions (Multiple Paragraphs)
Section III: Research Question, Hypotheses, and Alpha Level (one paragraph)
Section IV: Interpretation (Multiple Paragraphs)
Section V: Conclusion (Two Paragraphs)
What is the probability that a single randomly sampled battery of this type lasts longer than 100 minutes. Does this suggest that a charge-life exceeding 100 minutes would be unusual?
supposed that battery failure time measured in hours has a probability density function give by fx2x13. compute the
Derive a simplified version of the above model that includes only the statistically significant variables.
Supposes that the diameter of bearings are independent normally distributed random variables with mean µB = 1.005cm and variance σ²B = (0.003)² cm² . The diameter of shafts are independent normally distributed random variables having mean µB = 0.9..
State the null and alternative hypotheses
the amounts of soft drink machine is designed to dispense for each drink are normally distributed with a mean of 11.7
In a simple regression analysis, you notice that the R2 value is low (less than 0.4); however, the standard error is low. What does this tell you about the analysis?
Estimate and interpret the p-value of the calculated test statistic above.
how many chocolate chip cookies will he need to sample to estimate the mean to within 2, what is a 99% confidence interval for the average number of chips per cookie?
Their initial expenditure would be drilling, which would cost $80,000. If they strike gas, they would have to spend an additional $50,000 to cap the well and provide for the necessary hardware and control equipment.
in an american economic review dec. 2008 study of college dropouts one factor thought to influence the college dropout
in hypothesis testing for the difference between two means d0 the hypothesized difference between the means isa. seldom
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