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Q1) Using variables below, (1) mention all research questions that would be replied with a Two Way ANOVA test, (2) make null hypotheses for these questions, (3) prepare corresponding research hypotheses, and (4) name 3 effects that will be tested.
College GPA, graduation status (graduated on time, didn't graduate on time, didn't graduate at all), and involvement in campus life (involved vs. not involved)
2) Research at University of Toledo points out that 50 percent of students change their major area of study after their 1st year in a program. Random sample of 100 students in College of Business disclosed that 48 had changed their major area of study after their first year of program. Has there been a noteworthy decrease in proportion of students who change their major after first year in this program? Test at.05 level of significance.
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
What is the probability of obtaining 4 ones in a row when rolling a fair, six-sided die? Interpret this probability.
As we can say there is 5.5 percent chance of seeing the current policy having an effect on smog in the results we observed from natural sampling variation.
A process is out of control when:
Data in table represent number of consumer complaints against major U.S. airlines. If one complaint from table is arbitrarily chosen, determine the probability that it was filed against United Airlines.
It has been claimed that women live longer than men; however, men tend to be older than their wives. Ages of sixteen husbands and wives from England were obtained. The null hypothesis of equality of means is rejected. What conclusion can be made f..
Real estate agents always say "location, location, location" is the most important thing in buying a house. We want to know if the sales prices of homes in two neighborhoods are similar. A random sample is taken from each neighborhood. The prices ..
Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.
Suppose we wish to predict the crawling age of a particular baby when the average outdoor temperature is 25°F six months after birth.
Use either Linear Programming module or Transportation module of Cd to minimize the shipping costs involved in move.
The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages.
Find the margin of error for the 95% confidence interval used to estimate the population proportion.
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