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Question
The formula for constructing a CI with the t-distribution
Answer
X is the mean of the sample
t-distribution is used when the sample size is small OR you don't know the standard deviation of the POPULATION.
The t is found by knowing that df (degrees of freedom) is sample size minus one, and alpha is 1-CI divided by 2 and entering these 2 values in a t distribution table.
t-distribution is used when the sample size is small OR you don't know the standard deviation of the POPULATION.
The t is found by knowing that df (degrees of freedom) is sample size minus one, and alpha is 1-CI divided by 2 and entering these 2 values in a t distribution table.
Tags
#has-images
Question
The formula for constructing a CI with the t-distribution
Answer
?
Tags
#has-images
Question
The formula for constructing a CI with the t-distribution
Answer
X is the mean of the sample
t-distribution is used when the sample size is small OR you don't know the standard deviation of the POPULATION.
The t is found by knowing that df (degrees of freedom) is sample size minus one, and alpha is 1-CI divided by 2 and entering these 2 values in a t distribution table.
t-distribution is used when the sample size is small OR you don't know the standard deviation of the POPULATION.
The t is found by knowing that df (degrees of freedom) is sample size minus one, and alpha is 1-CI divided by 2 and entering these 2 values in a t distribution table.
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ideo or read the steps below: If you have one small set of data (under 30 items), you’ll want to use the t-distribution instead of the normal distribution to construct your confidence interval. <span>The formula for constructing a CI with the t-distribution. Sample problem: Construct a 98% Confidence Interval based on the following data: 45, 55, 67, 45, 68, 79, 98, 87, 84, 82. Step 1: Find the mean, μ and standard deviation, σ for the data
Unknown title
ideo or read the steps below: If you have one small set of data (under 30 items), you’ll want to use the t-distribution instead of the normal distribution to construct your confidence interval. <span>The formula for constructing a CI with the t-distribution. Sample problem: Construct a 98% Confidence Interval based on the following data: 45, 55, 67, 45, 68, 79, 98, 87, 84, 82. Step 1: Find the mean, μ and standard deviation, σ for the data
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