In studying a random sample of 18 automotive batteries, the confidence interval (0.18,0.34) was constructed for the population standard deviation of the batteries' reserve capacity in hours. This population standard deviation should be less than 0.24 hour. Does the confidence interval suggest that the variation in the batteries' reserve capacities is at an acceptable level? Explain your reasoning. Choose the correct answer below. O A. Yes. All of the values in the confidence interval are less than 0.24. O B. No. Since the confidence interval contains 0.24 and values greater than 0.24, it does not suggest that the population standard deviation is less than 0.24. O C. No. All of the values in the confidence interval are greater than 0.24. O D. Yes. Since the confidence interval contains 0.24, it is likely that the population standard deviation is near 0.24.

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.