9. "Average adult Americans are about one inch taller, but nearly a whopping 25 pounds heavier than they were in 1960, according to a new report from the Centers for Disease Control and Prevention (CDC). The bad news, says CDC is that average BMI (body mass index, a weight-for-height formula used to measure obesity) has increased among adults..." Boston is considered one of America's healthiest cities - is the weight gain since 1960 similar in-Boston? A sample of n=28 adults suggested a mean increase of 19.5 pounds over the mean recorded in 1960 with a standard deviation of 8.6 pounds. significantly different in terms of weight gain from the national mean since 1960? Run the appropriate test at a 5% level of significance. Please use the five steps to demonstrate proper hypothesis testing and explain your results. Boston statistically

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9. "Average adult Americans are about one inch taller, but nearly a whopping 25 pounds heavier than they
were in 1960, according to a new report from the Centers for Disease Control and Prevention (CDC). The
bad news, says CDC is that average BMI (body mass index, a weight-for-height formula used to measure
obesity) has increased among adults..." Boston is considered one of America's healthiest cities - is the
weight gain since 1960 similar in-Boston? A sample of n=28 adults suggested a mean increase of 19.5
pounds over the mean recorded in 1960 with a standard deviation of 8.6 pounds. Is Boston statistically
significantly different in terms of weight gain from the national mean since 1960? Run the appropriate
test at a 5% level of significance. Please use the five steps to demonstrate proper hypothesis testing and
explain your results.
Transcribed Image Text:9. "Average adult Americans are about one inch taller, but nearly a whopping 25 pounds heavier than they were in 1960, according to a new report from the Centers for Disease Control and Prevention (CDC). The bad news, says CDC is that average BMI (body mass index, a weight-for-height formula used to measure obesity) has increased among adults..." Boston is considered one of America's healthiest cities - is the weight gain since 1960 similar in-Boston? A sample of n=28 adults suggested a mean increase of 19.5 pounds over the mean recorded in 1960 with a standard deviation of 8.6 pounds. Is Boston statistically significantly different in terms of weight gain from the national mean since 1960? Run the appropriate test at a 5% level of significance. Please use the five steps to demonstrate proper hypothesis testing and explain your results.
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