Question
In: Statistics and Probability
Construct a 90% confidence interval to estimate the population mean using the data below. x=19 s=4.2...
Construct a 90% confidence interval to estimate the population mean
using the data below.
x=19 s=4.2 n=14
Solutions
Expert Solution
We have given that,
Sample mean =19
Sample standard deviation =4.2
Sample size =14
Level of significance=1-0.90=0.1
Degree of freedom =13
t critical value is (by using t table)=
1.771
Confidence interval formula is
=(17.01,20.99)
orchestra answered 1 year agoRelated Solutions
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