You are computing a confidence interval for the difference in 2 population proportions. Which of the following could be negative? Select all.

Group of answer choices

p 1

p ^ 1 − p ^ 2

The standard error

The critical value

The lower bound of the confidence interval

The upper bound of the confidence interval

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Answer: (1) \hat{p_{1}}-\hat{p}_{2}9(2) The crilical value(3) howver Bound(4) Cpur BoundExplanation;(1) \hat{p}_{1}-\hat{p_{2}} cau be negalume if \hat{p_{1}}<\hat{p_{2}}(2) Cilicab value can ber negalute for dwo-6ails0. (3) Lower Bound =\hat{p}_{1}-\hat{p_{2}}-M \varepsilon. Yuis can be negaline if \hat{p_{1}}-\hat{p_{2}}<M \varepsilon03(4) Upper Bound =\hat{p_{1}}-\hat{p_{2}}+M \varepsilon. This can be negaluue if \hat{p}_{1}-\hat{p}_{2}<0 \quad \varepsilon \quad \hat{p}_{1}-\hat{p}_{2}>M \varepsilon ...