Suppose you have selected a random sample of ? displaystyle={14} measurements from a normal distribution. Compare the standard normal ? values with th

Rivka Thorpe

Rivka Thorpe

Answered question

2021-02-10

Suppose you have selected a random sample of ? =14 measurements from a normal distribution. Compare the standard normal ? values with the corresponding ? values if you were forming the following confidence intervals.
a) 95% confidence interval
?=
?=
b) 80% confidence interval
?=
?=
c) 98% confidence interval
?=
?=

Answer & Explanation

lobeflepnoumni

lobeflepnoumni

Skilled2021-02-11Added 99 answers

Step 1
Given:
A random sample of 14 measurements from a normal distribution is selected. That is,
Sample size: n=14
Let, X be the measurement values.
If some data {x} are normally distributed, the corresponding {z} will be normal with mean 0 and standard deviation 1 where the correspondence between the {x} and {z} is given by z=xμσ. Such zs

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