Independent Random Samples of Households in the Four U

question 46

Short Answer

Independent random samples of households in the four U.S.regions (Northeast,Midwest,South,and West)yielded data on last year's energy consumption.We are interested in assessing,at the 1% significance level,if the data provide sufficient evidence to conclude that last year's average energy consumption was different among the four U.S.regions.Assume that energy consumption in the four regions is Normally distributed.
SPSS was used to create the side-by-side boxplots shown below. Based on the boxplots,does it seem like the assumption is satisfied? Explain briefly.

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Definitions:

Alleles

Different versions of a gene that determine distinct traits that can be passed from parents to offspring.

Genomic Imprinting

The instance when the expression of a gene is determined by whether it is inherited from the mother or father.

Crossing Over

The process during meiosis in which homologous chromosomes exchange portions of their DNA, leading to genetic recombination.

Heritability

The statistic that indicates the extent to which variation of a certain trait can be traced to genes.