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Category > Computer Science Posted 19 Sep 2017 My Price 3.00

population in Blue Valley

Sociology: Age Distribution A sociologist is studying the age of the population in Blue Valley. Ten years ago, the population was such that 20% were under 20 years old, 15% were in the 20- to 35-year-old bracket, 30% were between 36 and 50, 25% were between 51 and 65, and 10% were over 65. A study done this year used a random sample of 210 residents. This sample showed

Under 20

20–35

36–50

51–65

Over 65

26

27

69

68

20

At the 0.01 level of significance, has the age distribution of the population of Blue Valley changed?

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Status NEW Posted 19 Sep 2017 12:09 PM My Price 3.00

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