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1. Suppose you went to the Bureau of Labor Statistics web site and found several predictors of your salary. State three possible predictors and a simulated multilinear regression equation along with their p-values. What does your p-values tell you about your predictors?
2. How does multilinear regression analysis apply to your profession? Specify the dependent value and the set of predictors. Where would you get the data?
Determine the distributions given below represent a probability distribution. Justify your answer.
200 people were surveyed and asked to rate mayor Michael Bloombergs effectiveness towards education. The rate scale is 1 (lowest) to 10 (highest). Mayor Bloomberg's average rating was 7.50, with a standard deviation of 2
What is the probability there will be between 10 and 14 calls inclusive arriving at the company in the next 15 minutes?
They estimated the proportion of students at the university who prefer outdoor exercise as (0.5745, 0.8217), with 95% confidence. Which of the following is an appropriate interpretation of this confidence interval?
The Central Limit Theorem states that the sampling distribution of means is:
You just saw an ad on television that states the majority of the population would vote to make smoking illegal. The poll that is referenced shows 53% of those asked supported making smoking illegal.
From her district, consisting of several hundred stores, she selects a random sample of 30 stores. For each store she gathered the following information.
Solve the equations using linear algebra
Find out the expected winnings for a person who buys one ticket.
Assume that a 95% confidence interval for the mean is 14.5
Assume the population standard deviations are not the same. At the .05 significance level, is there a difference in the mean waiting time?
It is believed that population standard deviation is 15 days. If test is conducted using a 0.05 level of significance, what conclusion must be reached?
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