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buddyshaw76
02.03.2020 •
Mathematics
Marginal distributions. Give (in percents) the two marginal distributions, for marital status and for income. Do each of your two sets of percents add to exactly 100%? If not, why not?
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Ответ:
There are missing details in the question.
I'll solve this by formulating a general question from the above:
The question goes this:
Suppose in a population of 1250, 800 are married, 388 are single, 50 are divorced and 12 are widowed.
Also, there are 721 whose jobs are grade 1, 280 grade 2, 130 grade 3 and 119 grade 4.
Give (in percents) the two marginal distributions, for marital status and for income. Do each of your two sets of percents add to exactly 100%? If not, why not?
See Explanation
Step-by-step explanation:
Marginal distribution is calculated by corresponding data divided by overall frequency.
Total Population = 1250
For Marital Status;
Single: 388/1250 = 0.3104 = 31.04%
Married: 800/1250 = 0.64 = 64%
Divorced: 50/1250 = 0.04 = 4%
Widowed: 12/1250 = 0.0096 = 0.96%
For Jobs
Grade 1: 721/1250 = 0.5768 = 57.68%
Grade 2: 280/1250 = 0.224 = 22.4%
Grade 3: 130/1250 = 0.104 = 10.4%
Grade 4: 119/1250 = 0.0952 = 9.52%
Both totals to 100% because the total population is recorded in the question.
Ответ:
LOL
Step-by-step explanation: