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Posted: February 19th, 2022

In an Ace homework tutors – APA formatted Word document complete the following:

Instructions
In an Ace homework tutors – APA formatted Word document complete the following:

Part 1. Explain the concept of ‘margin of error’ in deciding the size of a sample.

Part 2 – Explain the following terms with an example

Point estimate
Interval estimate
Confidence interval
Confidence limits
Confidence coefficients or critical values.
Part 3 – In a survey carried out in a large city, 170 households out of a random sample of 250 owned at least one pet. Find the 95 per cent confidence interval for the percentage of households in the city who own at least one pet. Does the result support a pet food manufacturer’s claim that 75 per cent of all households have at least one pet?

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Instructions
Complete the following in an Ace homework tutors – APA-formatted Word document:

Part 1: Explain the notion of’margin of error’ in determining sample size.

Part 2: Use an example to explain the following terms.

Estimated value in points

Estimated interval

Interval of confidence

Limits of confidence

Critical values or confidence coefficients

Part 3 – In a survey carried out in a large city, 170 households out of a random sample of 250 owned at least one pet. Find the 95 per cent confidence interval for the percentage of households in the city who own at least one pet. Does the result support a pet food manufacturer’s claim that 75 per cent of all households have at least one pet?

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