Question
length (in inches) of flowers in an experiment are given below. 4.1 2.5 4.5 3.6 2.8...
length (in inches) of flowers in an experiment are given below.
| 4.1 | 2.5 | 4.5 | 3.6 | 2.8 | 5.1 | 2.9 | 5.1 | 1.2 | 1.6 |
Compute the sample mean and the sample standard deviation and use
them to find a 90% confidence interval for the mean. Use four
decimal places precision for the intermediate steps.
(2.67,4.01)
(2.55,4.13)
(2.63,4.05)
(2.74,3.94)
(2.59,4.09)
Homework Answers
Answer #1
Solution:-
=> option B. (2.55,4.13)
Explanation:
Given 4.1,2.5,4.5,3.6,2.8,5.1,2.9,5.1,1.2,1.6
X = 3.34, sd = 1.3737, n = 10, 90% confidence interval
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