Answer :
The z values are-
- confidence interval 86 % = 1.0
- confidence interval 78% = 0.8
Describe the term confidence interval?
- The likelihood that a parameter might fall between two values near the mean is shown by a confidence interval.
- Confidence intervals quantify when certain or uncertain a survey method is.
- They are also utilized in regression analysis and hypothesis testing.
- P-values and confidence intervals are commonly used by statisticians to determine statistical significance.
- They are often built with 95% or 99% confidence levels.
- Although they are related, confidence level and confidence interval are not the same thing.
Obtain the z values from the t-distribution table for 0.86 and 0.78 confidence interval.
- confidence interval 86 % = 1.0
- confidence interval 78% = 0.8
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