Question

Asked Nov 22, 2019

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4. Younoticeinyourintroductorypsychologyclassthatmorewomentendtositupfront,andmoremensitintheback.Todeterminewhetherthisdifferenceissignificant,youcollectdataontheseatingpreferencesforthestudentsinyourclass.Thedatafollows:

men women

front of room 15 27

back of room 32 19

a. Whatisχ2obt?

b. Whatisdfforthistest?

c. Whatisχ2cv?

d. Whatconclusionshouldbedrawnfromtheseresults

Step 1

The hypotheses are as:

Step 2

This test is the chi square test for independent.

a)

The observation table of chi square test statistics is,

| Women | Men | Total |

Front of room | 15 | 27 | 42 |

Back of room | 32 | 19 | 51 |

Total | 47 | 46 | 93 |

Step 3

The formula to calculate ...

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