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For the high school outreach project that I direct, I would like to know if we are having any impact on the high school student's perceptions of engineering. We administer a pre-survey and a post-survey to students and they rate their likelihood of choosing a major in an engineering field both before and after the outreach. Suppose that in one demographic group 15 students said that they were likey to go into engineering in both the pre and post survey, 6 students said they were likely to in the pre-survey but not in the post-survey, 19 said they were not likely to go in the pre-survey but were likely in the post-survey and 34 said they where not likely in the pre and post survey. Test the claim that our outreach had an impact on the percentage of students saying they were likely to o into engineering , at a significant level of 0.05.
the research team to identify if accounts with larger balances consistently take advantage of their additional services. Formulate a hypothesis statement regarding our research issue.
your price per unit (P), and the number of units (U) sold, you can use a mathematical equation to determine your net income (NI). In this case the formula is: NI = [U * (P-VCu)] - FC.
You are the quality control manager at Mars, Inc and you want to prove the company's claim that 10% of all M & M candies are blue. Is it possible to prove that claim using methods of hypothesis testing? Why or Why not?
What percentage of the bank's customers carries average daily balances below of $200? What percentage of the bank's customers carries average daily balances between $300 and $700?
Compute a two-sided 90% confidence Interval estimate for µd.
In your environment (business or personal), please give an application of exponential smoothing and why you would use this technique.
Write a paragraph describing your interpretation when the slope is positive, zero, and negative. If you were buying a home in this particular city, which slope would be most attractive to you and why?
How would you respond if someone told you that the correlation between education level and salary was 1.27?
Interpret the meaning of the slopes of the given multiple regression equation
Explain the difference of your outlook on statistics after having studied it for whatever period of time you have done so as oppose to the time before taking up the study.
open the StatCrunch file Housing_Prices_Categorical_ Factors. The varia bles in the file are explained in the file description in StatCrunch. Look at the description of the variables in the file and the variables themselves and develop a "research q..
Four customers in succession come into the store to order stereos. The retailer is interested in their preferences. List the possibilities for preference arrangements among the four customers.
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