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
$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?
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