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Hypothesis test using chi -square statistic

UFO Sighting Cases of UFO sightings are randomly selected and categorized according to month, with the results listed in the table below (based on data from Larry Hatch). Utilize a 0.05 significance level to test the claim that UFO sightings occur in the different months with equal frequency. Is there any reasonable description for the two months that have the highest frequencies?

Month

Jan

Feb

March

April

May

June

July

Aug

Sept

Oct

Nov

Dec

Number

1239

1111

1428

1276

1102

1225

2233

2012

1680

1994

1648

1125

 

 

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