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Q1) Which of the given does the term observed frequency refer to?
a) The frequencies computed from the null hypothesis b) The frequencies found in sample data c) The frequencies found in the population being examined d) The frequencies that are hypothesized for the population being examined
Q2) Determine the shape of chi-square distribution?
a) Positively skewed with all values greater than or equal to zero b) negatively skewed with all values greater than or equal to zero c) symmetrical with a mean equal to n - 1 d) symmetrical with a mean of zero
Q3) A chi-square test for goodness of fit is utilized to test whether or not there are any preferences among 3 brands of cola. If study uses a sample of n = 60 subjects, then expected frequency for each category would be?
Q4) T/F: One advantage of chi-square tests is that they can be utilized when data are measured on a nominal scale.
a) True
b) False
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