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  #1  
Old 05-19-2018, 01:14 AM
RockOn RockOn is offline
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Hello,
I'm hoping that someone can clarify the SOA's solution for this problem.

In the problem description it states that any group that has less than 5 for an expected value should be combined with another group.

For the 3+ group I combined this with the '2' group to get an expected value of 22.73.
When doing so my overall Chi Square statistic is: 5.76

The SOA's solution for this problem appears to not combine this last group.

Can anyone explain the apparent discrepancy in the problem wording and the SOA's solution?
Thank you for your help!
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Old 05-19-2018, 02:32 AM
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Jim Daniel Jim Daniel is offline
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Quote:
Originally Posted by RockOn View Post
Hello,
I'm hoping that someone can clarify the SOA's solution for this problem.

In the problem description it states that any group that has less than 5 for an expected value should be combined with another group.

For the 3+ group I combined this with the '2' group to get an expected value of 22.73.
When doing so my overall Chi Square statistic is: 5.76

The SOA's solution for this problem appears to not combine this last group.

Can anyone explain the apparent discrepancy in the problem wording and the SOA's solution?
Thank you for your help!
It says "less than one", not "less than five".
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  #3  
Old 05-19-2018, 03:38 PM
RockOn RockOn is offline
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Quote:
Originally Posted by Jim Daniel View Post
It says "less than one", not "less than five".
Yes...you're right, it does. Thank you, I misread that.

In the ASM manual, I thought I read that it was standard to regroup an interval if the expecteds are less than 5? Should I work problems assuming that it's less than 5 unless otherwise noted?

Thank you for your help!
RockOn
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