Confidence Intervals for Standard Deviation and Variance Use the data below to construct a 95% confidence interval for the standard deviation and variance for home sale prices in Beavercreek (in thousands of dollars) 114.1 240.7 170.9 116.4 160.8 227.2 293.3 217.5 293.4 278.2 227.3 306.8 185.9 194.5 299.9 159 270.3 272.6 221.4 146.7 239.4 342.2 212.6 226.9 Use the Estimation of Variance and SD tab. Begin by entering the data starting in the yellow Al19 field. Use the results (green) for standard deviation s and sample size n to complete the values beginning in B3 to B5. For BS, enter the confidence level as a decimal not a percentage. Results Complete the confidence statements for both variance and standard deviation in complete sentences below. Make sure to conve to thousands of dollars in your statement. Eor example: "With an 80% level of confidence, the standard deviation of hame sale prices in Beavercreek was between $52,224 and $76,675

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