(Answered) A researcher would like to investigate whether or not

Statistics

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:

1^st year 4^th 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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