What are the characteristics of a standard normal distribution?
Can two distributions with the same mean and different standard deviations be considered normal?
How might you determine if a distribution is normal from its graphical representation?
Consider a multinomial experiment involving n = 300 and k = 5 cells. The observed frequencies resulting from the experiment are shown in the accompanying table, and the null hypothesis to be tested is as follows:
p1 = .1,
p2 = .2,
p3 = .3,
p4 = .2,
p5 = .2 ,
Test the hypothesis at the 1% significance level.
Cell 1 2 3 4 5
Frequency 24 64 84 72 56
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