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A researcher would like to investigate whether or not college education can affect the IQ of students. She gathers 8 students and has them all take the IQ tests in their first and last years of college to test this hypothesis using an alpha level of .01. Below are the data:
1st year 4th year
110 90
120 98
100 100
90 110
124 100
102 120
110 110
123 120
What is the appropriate test?
State the null hypothesis and the alternative hypothesis:
Find the critical value: +- _____
Calculate the obtained statistic:
Make a decision:
What does your decision mean?
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Caselet on McDonald’s vs. Burger King - Waiting time
Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.
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Estimate the population mean
Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Find out the probability
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