# Question: Use the data in the previous question Find six confidence

Use the data in the previous question. Find six confidence intervals (at individual level of 99.17%), and use them to determine which of the education levels have means that are significantly different from which others at an overall 5% level of confidence

The table shows the number of work hours “last week” from a random sample of people during the “Great Recession,” as reported by the 2008 General Social Survey. Unemployed people were not included. The headings show educational level: LTHS stands for “less than high school,” HS refers to a high school degree, JC refers to a degree from a two-year college, and Bach refers to a four-year bachelor’s degree.

The table shows the number of work hours “last week” from a random sample of people during the “Great Recession,” as reported by the 2008 General Social Survey. Unemployed people were not included. The headings show educational level: LTHS stands for “less than high school,” HS refers to a high school degree, JC refers to a degree from a two-year college, and Bach refers to a four-year bachelor’s degree.

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