Confidence interval for mean secchi dish measurement

Reference no: EM1318224

Q1) In study of aerobic activity, blood plasma volume of 12 women was measured. Researchers compute the sample mean = 3.243, but found published value of σ = 0.45.

Create a 95% interval for mean blood plasma volume for all women

Campus at Joliet Junior College has a lake. A Secchi dish is utilized to measure clarity of the lake's water by lowering the dish into water and measuring distance below water until dish is no longer visible. Following are some of the measurements (in inches) that were taken on lake at various points in time over the course of a year.

82	64	62	66	68	43
38	26	68	56	54	66

i) Use the data to compute a point estimate. Give the symbol and the value.

ii) Crete a 90% confidence interval for mean Secchi dish measurement.

iii) What is your critical value?

Reference no: EM1318224

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