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Do workers prefer to buy lunch rather than pack their own lunch? A survey of employed...

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Basic Math

Do workers prefer to buy lunch rather than pack their own lunch?A survey of employed Americans found that 75% of the 18 to 24year-olds, 77% of the 25 to 34 year-olds, 72% of the 35 to 44year-olds, 58% of the 45 to 54 year-olds, 57% of the 55 to 64year-olds, and 55% of the 65 + year-olds buy lunch throughout theworkweek. Suppose the survey was based on 200 employed Americans ineach of six age groups.

a. At the 0.05 level of significance, is there evidence of adifference among the age groups in the preference for buyinglunch?

b. Determine the p-value in (a) and interpret its meaning.

Answer & Explanation Solved by verified expert
3.7 Ratings (553 Votes)
a Null hypothesisHo preference for buying lunch is similar among different age groups Alternate hypothesisHo preference for buying lunch is different among different age groups degree of freedomdf    See Answer
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