Two random samples were done to determine how often people in a community go to the dentist.

The first sample surveyed 10 people as they entered

their workplaces. The first sample found that the mean

time between visits to the dentist was 7.5 months.

The second sample surveyed 50 people as they entered

the local grocery store. The second sample found that

the mean time between visits to the dentist was 18.1

months.

Complete question:

Two random samples were done to determine how often people in a community go to the dentist the first sample surveyed 10 people as they enter their workplaces. The first sample found that the mean time between visits to the dentist with 7.5 months. The second sample survey 50 people as they enter the local grocery store. The second simple found that the mean time between visits to the dentist is 18.1 months. Which statements are true check all that apply

1) The first sample is likely to be more representative of the population.

2) The second sample is likely to be more representative of the population.

3)The second sample will give a better representation because it is larger.

4) The first sample is not biased.

5) Community members probably visit the dentist about once every 18 months.

2,3,5

Step-by-step explanation:

2) The second sample is likely to be more representative of the population, this is because the number of observations in the second sample is more than the number of observations in the first. And the more the sample observation, the more representative it is about the population.

3.) The second sample will give a better representation because it is larger, the size of the second sample is the sole factor which gives it a better representative edge than the first sample.

5.) Community members probably visit the dentist about once every 18 months, from the question, the avarage time visit of community members to the dentist is 18.1 months which is approximately 18 months, the mean gives the average value of a distribution

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i do not know the answer

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