The table below shows the total number of births in the US. and the birth rate p

Question

The table below shows the total number of births in the US. and the birth rate per 1,000 population. in each of the years 1990-1994. Classify the study as either descriptive or inferential. A) Descriptive B) Inferential Based on a random sample of 1000 people, a researcher obtained the following estimates of the percentage of people lacking health insurance in one US. city. Classify the study as either descriptive or inferential. A) Descriptive B) Inferential Answer the question. A magazine publisher always mails out a questionnaire six months before a subscription ends.

Explanation / Answer

A descriptive study pens down numerically or graphically the characteristic of the population under study. Inferential study tries to make a prediction about the population based on a sample.

1. (A) Descriptive since the whole population is considered

2. (B) Inferential since a sample of size 1000 is used to predict the population percentages

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