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Levitas Fund wanted to determine the return on investment for its customers. A sample of 10...

Levitas Fund wanted to determine the return on investment for its customers. A sample of 10 customers showed the following returns (in US dollars) in 2018.

2,983

3,096

2,510

2,559

2,559

2,622

2,537

2,485

3,236

2,758
  1. What is the point estimate of the population mean? (Round your answer to 2 decimal places.)

Estimated population mean: …..?

  1. Develop a 98% confidence interval for the population mean. (In your calculations, use 3 decimals for the t value and 2 decimals for the standard deviation value; round your final answers to 2 decimal places.)

Confidence interval for the population mean is between ……? and …..?

Math   Statistics-And-Probability   
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