of young businesswomen wish to open a high A group fashion boutique in a vacant store but only if the А average income of households in the area is at least $25,000. A random sample of 9 households showed the following results. $28,000 $24,000 $26,000 $25,000 $23,000 $27,000* $26,000 $22,000 $24,000 Assume the population of incomes is normally distributed. (a) Compute the sample mean and the standard deviation. (b) State the hypotheses for this problem. (c) Compute the test statistic.

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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.