Problem
Instructions
In an APA formatted Word document complete the following:
Part I: Explain the concept of 'margin of error' in deciding the size of a sample.
Part II: Explain the following terms with an example
i. Point estimate
ii. Interval estimate
iii. Confidence interval
iv. Confidence limits
v. Confidence coefficients or critical values.
Part III: 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?
The response must include a reference list. One-inch margins, double-space, Using Times New Roman 12 pnt font and APA style of writing and citations.
Attachment:- Data-Set.rar