Question
1) The degrees of freedom are important because: a) It determines which null distribution you use to calculate your P-value b) It determines the P-value
1) The degrees of freedom are important because:
a) It determines which null distribution you use to calculate your P-value
b) It determines the P-value
c) It is needed to calculate the Chi-square test statistic
d) it determines the alpha level used in your test
2) Which example is it appropriate to use Contingency Analysis on?
a) Whether people who wear orange are taller
b) Whether people who wear orange are more likely to be attacked by tigers
c) Whether tigers that attack people are longer
d) Whether people who are attacked by tigers are taller
3) You are using the normal approximation to the binomial test to determine the probability of observing that 34 of 53 mice can do the floss.The probability of this is 2* Pr[Z>2.06]. Given the following table, what is the probability of observing this proportion of mice being able to do the floss given the null hypothesis that the proportion that can is 0.5? (to four decimal places)
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