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The average for the data is 21.52 i don’t know if that helps or not
eBook Videe Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant. These data are contained in the fle named Houston. Based upon past studies the population standard deviation is known with σ-$13. Click on the datafile logo to reference the data. DATA血 Round your answers to two decimal places. Use the critical value with three decimal places. a.At99% confidence, what is the margin of error? b. Develop a 99% confidence interval estimate of the mean amount spent for lurch. to $
File Home Insert Page Layout Formulas Data Review View Cut Times New Roma 12AA 1 Copy Paste - For Clipboard Font Alignm C8 2 6 1Amount 2 20.50 4 23.77 5 29.96 6 29.49 기-32.70 | 89.20 9 20.89 10 28.87 1115.78 12 18.16 13 12.16 14 11.22 15 16.43 16 17.66 17 9.59 18 18.89 19 19.88 20 23.11 120 11 | Data Sheet2Sheet3 Ready
日勺. File Home Insert Page Layout Formulas DstaReview View Help o Cut Times New Rorna . | 12 A 秒 A wrap Paste Copy Format Painter B I Clipboard Font Alignment C8 21 20.11 22 20.34 23 20.08 24 30.36 25 21.79 26 21.18 27 19.22 28 34.13 29 27.49 30 36.55 31 18.37 32 32.27 33 12.63 4 25.53 35 27.71 36 33.81 37 21.79 38 19.16 39 26.35 40 20.01 685 Data Sheet2 Sheet3 Ready
日勺. Home Insert Page Layout Formulas Data Review View He Cut ld Copy Times New Roma . | 12 A Paste Format Painter8 -A Clipboard Font Alignment 41 26.85 421 1363 43 17.22 44 13.17 45 20.12 46 22.11 47 22.47 48 20.36 49 35.47 50 11.85 51 17.88 52 6.83 53 30.99 54 14.62 55 18.38 56 26.85 5725.10 58 27.5:5 59 25.87 60 14.37 611 15 61 Data Sheet2 Sheet3
Layout Formulas Data Review Insert Page Paste ED Copys ew Roma 12AA Paste Copy Format Painter Clipboard Font 49 35.47 50 1185 51 1788 526.83 53 30.99 54 14.62 55 18.38 56 26.85 57 25.10 58 27.55 59 25.87 60 14.37 61 15.61 62 26.46 63 24.24 64 16.66 65 20.8:5 Data Sheet2 Sheet3
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