Between Wendy’s and McDonald’s, which fast-food drive-through window is faster? To answer the question, a random sample of service times for each restaurant was measured. Can we infer from these data that there are differences in service times between the two chains?
Answer to relevant QuestionsLack of sleep is a serious medical problem. It has been linked to heart attacks and automobile collisions. A Statistics Canada study asked a random sample of Canadian adults to report the amount of sleep they normally get. ...Traditionally, wine has been sold in glass bottles with cork stoppers. The stoppers are supposed to keep air out of the bottle because oxygen is the enemy of wine, particularly red wine. Recent research appears to indicate ...In recent years, women have made up an increasing proportion of university students. Is there sufficient evidence to conclude that females and males differ in their years of education (EDUC)?Estimate with 95% confidence the difference years of education (EDUC) between Democrats and Republicans.Can we infer that government workers and private-sector workers differ in the amount of education (EDUC)?
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