Questions from Essentials of Statistics


Q: Figure 13.7 shows side-by-side boxplots of

Figure 13.7 shows side-by-side boxplots of independent samples from three normally distributed populations having equal standard deviations. Based on these boxplots, would you be inclined to reject th...

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Q: Use Table V to find the required χ2-values. Illustrate

Use Table V to find the required χ2-values. Illustrate your work graphically. For a χ2-curve with df = 4, determine a. χ20.005. b. χ20.01.

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Q: As reported on MLB.com, the five players with the

As reported on MLB.com, the five players with the highest runs batted in (RBI) during the 2012 Major League Baseball season are listed in the following table. Also included are the teams for which the...

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Q: Discuss two methods for checking the assumptions of normal populations and equal

Discuss two methods for checking the assumptions of normal populations and equal standard deviations for a one-way ANOVA.

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Q: Preventable chronic diseases are increasing rapidly in Native American populations, particularly

Preventable chronic diseases are increasing rapidly in Native American populations, particularly diabetes. F. Gilliland et al. examined the diabetes issue in the paper “Preventative Health Care among...

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Q: M. Stuart et al. studied various aspects of grade-

M. Stuart et al. studied various aspects of grade-school children and their mothers and reported their findings in the article “Learning to Read at Home and at School” (British Journal of Educational...

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Q: In one-way ANOVA, what is the residual of an

In one-way ANOVA, what is the residual of an observation?

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Q: In the article “When News Reporters Deceive: The Production of

In the article “When News Reporters Deceive: The Production of Stereotypes” (Journalism & Mass Communication Quarterly, Vol. 84, No. 2, pp. 281–298), researchers D. Lasorsa and J. Dai investigated the...

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Q: we have provided data from independent simple random samples from several populations

we have provided data from independent simple random samples from several populations. Determine the following items. a. SSTR b. MSTR c. SSE d. MSE e. F

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Q: In the article “Growing Pains and Fear of Gangs” (

In the article “Growing Pains and Fear of Gangs” (Applied Psychology in Criminal Justice, Vol. 5, No. 2, pp. 139–164), B. Brown and W. Benedict examined the relationship between worry about a gang att...

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