Question
A random sample of 90 observations produced a sample mean of 25.9 and a sample standard deviation of 2.7.Which one of the following best approximates
A random sample of 90 observations produced a sample mean of 25.9 and a sample standard deviation of 2.7.Which one of the following best approximates a 90% confidence interval for ?
Group of answer choices
25.9 5.4
(25.43 , 26.37)
(23.2 , 28.6)
25.9 0.56
cannot be determined from the data
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Finite Geometry And Combinatorics
Authors: F De Clerck ,J Hirschfeld
1st Edition
0521448506, 978-0521448505
