Unformatted text preview: s. One thing to note is that the question on “weakness” is not to mean that anything is wrong with your project. What you want to do is to ask yourself whether there was any thing you did in the collection of your data that affected your results. For example, if you asked only the first ten people you came across to take your survey, that would give a biased result and affect your data. You would want to discuss what that bias is and how you could fix it PART C Topic: Does the mean salary of a person with a bachelors degree equal $60,000 GRAPHS: Pay Ranges $100,000.00 $80,000.00 $60,000.00 Pay Ranges $40,000.00 $20,000.00 $0.00 1 2 3 4 5 6 7 8 9 Series 1 Number of jobs paying less than $60,000 Series 1 Number of jobs paying $60,000 or greater 0 1 2 3 4 5 6 7 HYPOTHESIS TEST There is a sample of 5 salaries ($27,000; $45,000; $47,000; $57,438; $90,000). The test is that at α = .05 the same mean salary is $60,000. Step 1: State the hypothesis H₀: µ = $60,000 Hₐ:µ ! $60,000 This is a two
tailed test Step 2: Specify the level of significance: α = .05 Step 3: Identify the degrees of freedom: Sample size n = 5 d.f. = n – 1 d.f. = 4 Step 4: De...
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 Fall '13

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