In the following, assume that the goal numbers collected come from a simple random sample of the population of all international matches of the German national team. come from. 1. Determine the 95% confidence interval for the expected value of the number of goals in all international matches.

Case Studies In Health Information Management
3rd Edition
ISBN:9781337676908
Author:SCHNERING
Publisher:SCHNERING
Chapter7: Healthcare Statistics And Research Methods
Section: Chapter Questions
Problem 7.3.5C
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Task 3
The German national team scored the following numbers of goals in 50
randomly selected international matches
Number of goals per match
1
2 3 4
18 22 5 3 2
Number of matches with this result
In the following, assume that the goal numbers collected come from a simple
random sample of the population of all international matches of the German
national team. come from.
1. Determine the 95% confidence interval for the expected value of the
number of goals in all international matches.
2. The standard deviation of goals per match in the population of all
international matches is now given as o = 1, 0. How large must the
sample size be so that the 95% confidence interval for u is not wider
than 0.5 goals?
Transcribed Image Text:Task 3 The German national team scored the following numbers of goals in 50 randomly selected international matches Number of goals per match 1 2 3 4 18 22 5 3 2 Number of matches with this result In the following, assume that the goal numbers collected come from a simple random sample of the population of all international matches of the German national team. come from. 1. Determine the 95% confidence interval for the expected value of the number of goals in all international matches. 2. The standard deviation of goals per match in the population of all international matches is now given as o = 1, 0. How large must the sample size be so that the 95% confidence interval for u is not wider than 0.5 goals?
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