Question: QUESTION 1 Based on Figure 5.2, which shows a normal distribution of children's heights with a mean of 60.0 and an SD of 5.0, approximately

QUESTION 1

Based on Figure 5.2, which shows a normal distribution of children's heights with a mean of 60.0 and an SD of 5.0, approximately what is the probability of randomly selecting a child whose height is more than 71 inches? (Use tabled values for the normal distribution in Table A.1

QUESTION 2

Population A and Population B both have a mean height of 70.0 inches with an SD of 6.0. A random sample of 30 people is selected from Population A, and a random sample of 50 people is selected from Population B.

2a:What is the SEM for PopulationA? (keep 3 decimal points)

QUESTION 3

2b:What is the SEM for Population B? (keep 2decimal places)

QUESTION 4

2c:Which sample meanwill probably yield a more accurate estimate of its population mean?

QUESTION 5

Suppose we obtained data on vein size after application of a nitroglycerin ointment in a sample of 100 patients. The mean vein size is found to be 7.5 mm with an SD of 2.5.

3a.What is the value of SEM?

text use is: statistics and data analysis for nursing research second edition -Denise F. Polit

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