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IQO

The Highway Loss Data Institute routinely collects data on collision coverage claims. Collision coverage claims insures against physical damage to an insured individual’s vehicle. The data represents random collision coverage claims based on data obtained from the Highway Loss Data Institute for 2007 models. Find and interpret the first, second, and third quartiles for collision coverage claims.  

$6751

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$9908

$3461

$21,147

$2332

$2336

$189

$1185

$370

$1414

$4668

$1953

$10,034

$735

$802

$618

$180

$1657

 

Quartile 1: _____

Quartile 2: _____

Quartile 3: _____

Interpretation (Explain):

 

 

 

Chi Square

Domestic violence incidents are not rare and may cause marriages to end. Happiness in relationships may be a key ingredient to mitigating DV. Is there a relationship between marriage and happiness? The data shows the marital and happiness of individuals who participated in the General Social Survey. Complete the expected counts within each cell, and make a decision. Test whether marital status and happiness are independent at the 95% level of significance.

 

 

 

Marital

Status

 

 

 

 

Married

Widowed

Divorced/

Separated

Never Married

Total

 

Very happy

600

63

112

144

 

Happiness

Pretty happy

720

142

355

459

 

 

Not to happy

93

51

119

127

 

Total

 

 

 

 

 

 

 

Chi Square

Starting July 1, 2013, MOC will be a smoke free campus. The following data represents the smoking status by level of education for residents of the United States 18 years or older from a random sample of 11054 residents.

Test whether smoking status and level of education are independent at the 95% level of significance.

Construct a distribution of smoking status by number of years of education using a bar chart. Does this evidence support your conclusion?

Number of years of Education

 

Smoking

Status

Total

 

Current

Former

Never

 

<12

178

88

208

 

12

137

69

143

 

13-15

44

25

44

 

16 or more

34

33

51

 

Total

 

 

 

 

 

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