A researcher read that firearm-related deaths for people aged 1 to 18 were distr

Question

A researcher read that firearm-related deaths for people aged 1 to 18 were distributed as follows: 74% were accidental, 16% were homicides and 10% were suicides. In her district, there were 68 accidental deaths, 27 homicides and 5 suicides during the past year. At alpha=.1. What would be the critical value?

a)4.605

b)4.541

c)6.251

d).211

Using the above problem statement, what is the test value and your final conclusion?
a)10.549; fail to reject
b) 5.43; fail to reject
c) 5.43; reject null
d) 10.549; reject null

Explanation / Answer

A researcher read that firearm-related deaths for people aged 1 to 18 were distributed as follows: 74% were accidental, 16% were homicides and 10% were suicides. In her district, there were 68 accidental deaths, 27 homicides and 5 suicides during the past year. At alpha=.1. What would be the critical value?

a)4.605

b)4.541

c)6.251

d).211

Using the above problem statement, what is the test value and your final conclusion?
a)10.549; fail to reject
b) 5.43; fail to reject
c) 5.43; reject null
d) 10.549; reject null

Goodness of Fit Test

observed

expected

O - E

(O - E)

Goodness of Fit Test

observed

expected

O - E

(O - E)

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