Answer for the 2nd questions please don\'t answer if you don\'t know for sure. T

Question

Answer for the 2nd questions please don't answer if you don't know for sure.

The table shows the results of a study including whether aftereffects of epidurals administered during childbirth might interfere with successful breastfeeding. A researcher is planning to do a chi-square Assuming the calculations for through Calculate the component of chi square for the epidural no breastfeeding cell. First catamite the roll and hypothesis. Choose the correct answer below A. H_D. Breastfeeding success is independent of having an epidural. H_Delta: Having an epidural decreases breastfeeding success. B. H_o: Breastfeeding success is not independent of having an epidural. H_Delta: Breastfeeding is independent of epidural C. H_o: Breastfeeding success is independent of having an epidural. H_Delta: Breastfeeding success is not independent of having an epidural. D. H_o: Breastfeeding success is independent of having an epidural. H_Delta: Having an epidural increases breastfeeding success. What is the component of chi-square for the epidural of no brea

Explanation / Answer

Answer to part 2)
We need to find the coponent of chi square from the cell epidural and no breastfeeding cell

The observed value is 169 in the cell for epidural Yes , and breastfeeding No

.

The expected value would be : row total * coulmn total / grand total

expected value = 387 *450 / 1165

Expected value = 149.4850

.

Now the component to chi square is given by : (Observed value - Expected value)^2 / Expected value

= (169 -149.4850)^2 / 149.4850

= 380.835225 / 149.4850

= 2.54765 ~ 2.548

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