We want to estimate the standard deviation of a normally distributed population via a 95%l-confidence interval by taking a random sample of size 40 whose sample standard deviation is obtained as 6.5. Which of the followings gives the required interval? Select one: O 15.32,7.68[ O 13.32,6.76[ O 16.58,9.73[ O 15.32,8.35[ O15 86 7 141

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We want to estimate the standard deviation of a normally distributed population via a 95%-confidence interval by taking a random sample of size 40 whose sample standard
deviation is obtained as 6.5. Which of the followings gives the required interval?
Select one:
O 15.32,7.68[
O 13.32,6.76[
O 16.58,9.73[
O 15.32,8.35[
O 15.86,7.14[
Transcribed Image Text:We want to estimate the standard deviation of a normally distributed population via a 95%-confidence interval by taking a random sample of size 40 whose sample standard deviation is obtained as 6.5. Which of the followings gives the required interval? Select one: O 15.32,7.68[ O 13.32,6.76[ O 16.58,9.73[ O 15.32,8.35[ O 15.86,7.14[
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