Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 21 Jan 2018 My Price 10.00

component of chi-square

Childbirth, part 3. In Exercises 13 and 15, we’ve begun to examine the possible impact of epidurals on successful breastfeeding.

a) Calculate the component of chi-square for the epidural/no breastfeeding cell.

b) For this test, What’s the P-value?

c) State your conclusion.

Exercise 15:

Childbirth, part 2. In Exercise 13, the table shows results of a study investigating whether aftereffects of epidurals administered during childbirth might interfere with successful breastfeeding. We’re planning to do a chisquare test.

a) How many degrees of freedom are there?

b) The smallest expected count will be in the epidural/ no breastfeeding cell. What is it?

c) Check the assumptions and conditions for inference.

Exercise 13:

Childbirth, part 1. There is some concern that if a woman has an epidural to reduce pain during childbirth, the drug can get into the baby s bloodstream, making the baby sleepier and less willing to breastfeed. In December 2006, the International Breastfeeding Journal published results of a study conducted at Sydney University. Researchers followed up on 1178 births, noting whether the mother had an epidural and whether the baby was still nursing after 6 months. Results are summarized in the table.

a) What kind of test would be appropriate?

b) State the null and alternative hypotheses.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 21 Jan 2018 10:01 PM My Price 10.00

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