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Consider the data given on the website, obtained in a simple linear regression analysis.
a. Find the estimated regression line, and complete the summary ANOVA table. Conduct an F test for a significant regression. Use a significance level of 0.01.
b. Find s, an estimate of the standard deviation.
c. Find a 95% prediction interval for an observed value of Y when x = 37. Based on this interval, do you think it islikely that an observed value of Y (for x = 37) will be greater than 170? Justify your answer.
A sample of 50 customers resulted in a sample mean of $90. What is the probability of obtaining a sample with a sample mean smaller than $90?
what are some of the pitfalls when using regression equations in forecasting the future? be
If n = 10 observations are sampled from each group, determine the value estimated by MSBG and comment on how this differs from the value estimated by MSWG.
Managers from accounting department and information technology department. What is the probability that the committee will contain at least two managers from accounts departments.
Make use of normal probability distribution features of EXCEL to help determine the probability.
Analysis of Covariance. Using your area of interest, identify one independent and two dependent variables, such that the dependent variables would likely be covariates
the cost of a one-carat vs2 clarity h color diamond from diamond source use is 5600. a midwestern jeweler makes calls
the number of books checked out at a public library by a sample of eight primary school children were recorded6 4 5 7 5
Show that a Poisson PMF is the limit of a binomial PMF with n approaching infinity and p approaching zero in such a way that np = µ= constant .
Rob works in quality at a well known saw blade company. An inspector on his team has uncovered an issue with the kerf dimension on the bandsaw blade line. Rob conducts a sampling study and finds that 7% of the bandsaw blades are out of spec.
What is the probability that a randomly selected high school senior's score on the mathematics part of the ACT will be more than 29?
Determine the angles ? (0° = ? =180°) of the force that will produce the maximum moment about point A. What is the magnitude of this moments?
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