1. Find the LOWER critical value for a 98% confidence interval using the chi-squares distribution with 21 degrees of freedom. 2. Find the UPPER critical value for a 98% confidence interval using the chi-squares distribution with 21 degrees of freedom. 3. The follow data presents the temperature in Los Angeles for the last 15 days. 92 87 113 92 92 96 87 109 112 93 90 93 91 100 98 Construct a 95% confidence interval of population standard deviation of the temperature in Los Angeles. Round to two decimal place. Round to two decimal places. We are 95% confident that the population standard deviation of the temperature in Los Angeles is between ______and_______ .
1. Find the LOWER critical value for a 98% confidence interval using the chi-squares distribution with 21 degrees of freedom.
2. Find the UPPER critical value for a 98% confidence interval using the chi-squares distribution with 21 degrees of freedom.
3.
The follow data presents the temperature in Los Angeles for the last 15 days.
92 87 113 92 92 96 87 109 112 93 90 93 91 100 98
Construct a 95% confidence interval of population standard deviation of the temperature in Los Angeles. Round to two decimal place. Round to two decimal places.
We are 95% confident that the population standard deviation of the temperature in Los Angeles is between ______and_______ .
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