Question: Use the following data to construct 90% and 95% confidence intervals to estimate the population variance. Assume the data come from a normally distributed population.

Use the following data to construct 90% and 95% confidence intervals to estimate the population variance. Assume the data come from a normally distributed population.

213 229 217 216 223

217 208

214 232 217

Appendix A Statistical Tables

(Round the intermediate values to 4 decimal places, e.g. 25.3167. Round your answers to 3 decimal places, e.g. 25.316.)

90% confidence interval: 2

95% confidence interval: 2

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