answer following 2 document

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answer following 2 document

answer following 2 document
Math 10 Morriss Restroom Behavior ______________________________________________________ ___________________ S tat s students r ecorded the time people spend in gender – speci fic restrooms on campus , and observed whether peopl e washed their hands . Here are their data. Room Men ‘s Women ‘s People observed 77 67 Mean time in restroom (seconds) 84 188 S tandard deviation of restroom time 108 175 Number observed to wash their hands 54 5 8 1. In the populations of men’s room & women’s room users, c onstruct and interpret 95% confidence intervals for a) t he difference in mean restroom time between the two populations, b) t he mean restroom time each population, c) t he difference in proportion of hand – washers in each population, and d) t he proportion of hand – washers in each population. 2. Interpret your confidence intervals in the context of the investigation. What conclusions can you draw? What’s the story of these data? ____ ___________________ __________________________________________________

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