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Subject: sample Question
Details: A movie theater owner wanted to know how many people hated commercial at the beginning of movies if less then 10% hated the commercials the he would leave them. If more than 10% surveyed hated the commercial then they would cancel. A sample of 100 people we surveyed. 14 patrons surveyed as hating the commercials at the beginning of movies. How do I find the significance in regards to making a type I error?
Use analysis of variance to test any differences in mean glue strengths.
The following frequency table lists the sales of an item and the number of times it has occurred. It was obtained from historical records.
The following frequency distribution reports the number of frequent flier miles, reported in thousands, for employees of Brumley Statistical Consulting, Inc. during the first quarter of 2004.
Develop the "best" regression model possible using this set of variables to help you predict the Risk. State your final model. Interpret the coefficients for the model (i.e. what do the numbers mean?).
Find the regression equation and percentage of variance and test whether the equation is significant portion of the variance.
Supposing a linear relationship, use the least squares method to find the regression coefficients b 0 and b 1 .
Estimate with 95% confidence the mean reduction in time it takes for someone who has taken the sleeping pill to fall asleep.
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What is the probability that none are a commercial success?
If samples of size 224 were repeatedly selected from the population of children born to mothers with HIV antibody, what would be the mean number of infected children per sample?
Statisticians use terms like trial, outcome and success in a particular way in reference to probability. What do each of these three terms mean in this context?
Explain and give examples of how the particular outcomes of a study can suggest if a particular threat is likely to have been present.
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