Round your answer for the excepted count to one decimal place, and your answer for the contribution to the chi-square statistic to three decimal places.

Expected count=?

contribution to the chi-square statistic=?

a2linetagadaW
2020-12-14
Answered

Find the expected count and the contribution to the chi-square statistic for the (Group 1, Yes) cell in the two-way table below.

$\begin{array}{|cccc|}\hline & \text{Yes}& \text{No}& \text{Total}\\ \text{Group 1}& 710& 277& 987\\ \text{Group 2}& 1175& 323& 1498\\ \text{}\text{Total}& 1885& 600& 2485\\ \hline\end{array}$

Round your answer for the excepted count to one decimal place, and your answer for the contribution to the chi-square statistic to three decimal places.

Expected count=?

contribution to the chi-square statistic=?

Round your answer for the excepted count to one decimal place, and your answer for the contribution to the chi-square statistic to three decimal places.

Expected count=?

contribution to the chi-square statistic=?

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(Round to two decimal places as needed.)

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asked 2020-11-26

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Opinion

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In this exercise , a two-way table is shown for two groups , 1 and 2 , and two possible outcomes , A nad B
$\begin{array}{|cccc|}\hline & \text{Outcome A}& \text{Outcome B}& \text{Total}\\ \text{Group 1}& 30& 20& 50\\ \text{Group 2}& 40& 110& 150\\ \text{Total}& 70& 130& 200\\ \hline\end{array}\phantom{\rule{0ex}{0ex}}$

a) What proportion of all cases had Outcome A?

b) What proportion of all cases are in Group 1?

c) What proportion of cases in group 1 had Outcome B?

d) What proportion of cases who had Outcome A were in group 2?

a) What proportion of all cases had Outcome A?

b) What proportion of all cases are in Group 1?

c) What proportion of cases in group 1 had Outcome B?

d) What proportion of cases who had Outcome A were in group 2?