1 C3 c5 C7 CB C2 ask $ sell$ baths bedrooms age basement garage 105500 109900 1.0 60.0 104000 107900 2.0 14.0 130500 134900 10.0 0.0 111000 113500 NA 97500 5.0 116700 91000 115900 130000 99900 118500 97500 119900 134900 96000 114000 96000 114500 107000 125000 107000 88000 30.0 126000 95000 117900 112500 112500 13.0 111000 8.0 94800 95900 50.0 73500 76500 100.0 86000 89900 10 0.0 138000 145900 2.0 147000 147900 25 83500 99900 1.0 30.0 89500 89900 1.0 REALEST8 17.... 100% Zoom C7 garage 08 09 C5 C6 age basement 2001 37. 5 0 9.0 C1 sells 119000 86500 120900 119500 101900 104900 112500 106000 73500 98000 114000 98000 115000 116000 C2 ask$ 129900 89900 124900 125900 101900 107900 129500 109900 75000 103900 119900 103000 124900 119900 89900 106900 115500 86900 129900 219500 129900 C3 baths bedrooms 10 1.0 2.0 2.0 10 1.5 2.0 10 1.0 20 2.0 1.0 6.0 10 13.0 3 1.0 2.0 100.0 30.0 82000 106500 111000 83500 122000 1.0 175000 90 44 126000 20 4 29.0 93400 98000 10 25.0 145000 148500 2.5 REALEST8 17... 00% Zoom C1 C2 cs c6c7 bedrooms age basement garage 104900 112500 106000 73500 98000 107900 129500 109900 75000 103900 119900 114000 98000 103000 115000 124900 6.0 116000 13.0 82000 119900 89900 106900 115500 100.0 30.0 106500 111000 86900 83500 122000 129900 219500 175000 2.0 ESSE : : : 126000 129900 93400 98000 N N N No No No 145000 127000 148500 127000 118000 117000 104000 113900 1.5 0.0 80.0 25.0 0.0 66000 74000 72000 80500 REALEST8 17.... First, verbally describe the patterns (i.e. compare/contrast) of " of songs in your digital library..." for Females and Males. (as on our previous homework, there is no need for any editing of this data). Then, construct a 95% confidence interval for the difference in population means of "# of songs.." for Males and "# of songs.." for Females. Write a sentence interpreting the result of that confidence interval. 2) This question refers to the file REALEST8 (.mtw for Minitab; .csv for StatCrunch. The data is from a sample of homes sold during the past year in a particular Minnesota community. The relevant portion of this file is as follows: cl: selling price of home C2: asking price of home (As always, graphically display and verbally describe the relevant sample findings first, then..) Construct a 95% confidence interval for the population mean difference between selling price and asking price. Write a sentence explaining what the interval says. 3) Answer the following questions at the end of the handout reading (Experiments and Observational Studies): 3, 4, 8, 9, 10, 23 NOTE: there should be an additional sentence preceding 78, 9, 10 saying: "Explain how each of the difficulties and disasters in experiments (handout section 5.3) apply to these studies, if at all." 1 C3 c5 C7 CB C2 ask $ sell$ baths bedrooms age basement garage 105500 109900 1.0 60.0 104000 107900 2.0 14.0 130500 134900 10.0 0.0 111000 113500 NA 97500 5.0 116700 91000 115900 130000 99900 118500 97500 119900 134900 96000 114000 96000 114500 107000 125000 107000 88000 30.0 126000 95000 117900 112500 112500 13.0 111000 8.0 94800 95900 50.0 73500 76500 100.0 86000 89900 10 0.0 138000 145900 2.0 147000 147900 25 83500 99900 1.0 30.0 89500 89900 1.0 REALEST8 17.... 100% Zoom C7 garage 08 09 C5 C6 age basement 2001 37. 5 0 9.0 C1 sells 119000 86500 120900 119500 101900 104900 112500 106000 73500 98000 114000 98000 115000 116000 C2 ask$ 129900 89900 124900 125900 101900 107900 129500 109900 75000 103900 119900 103000 124900 119900 89900 106900 115500 86900 129900 219500 129900 C3 baths bedrooms 10 1.0 2.0 2.0 10 1.5 2.0 10 1.0 20 2.0 1.0 6.0 10 13.0 3 1.0 2.0 100.0 30.0 82000 106500 111000 83500 122000 1.0 175000 90 44 126000 20 4 29.0 93400 98000 10 25.0 145000 148500 2.5 REALEST8 17... 00% Zoom C1 C2 cs c6c7 bedrooms age basement garage 104900 112500 106000 73500 98000 107900 129500 109900 75000 103900 119900 114000 98000 103000 115000 124900 6.0 116000 13.0 82000 119900 89900 106900 115500 100.0 30.0 106500 111000 86900 83500 122000 129900 219500 175000 2.0 ESSE : : : 126000 129900 93400 98000 N N N No No No 145000 127000 148500 127000 118000 117000 104000 113900 1.5 0.0 80.0 25.0 0.0 66000 74000 72000 80500 REALEST8 17.... First, verbally describe the patterns (i.e. compare/contrast) of " of songs in your digital library..." for Females and Males. (as on our previous homework, there is no need for any editing of this data). Then, construct a 95% confidence interval for the difference in population means of "# of songs.." for Males and "# of songs.." for Females. Write a sentence interpreting the result of that confidence interval. 2) This question refers to the file REALEST8 (.mtw for Minitab; .csv for StatCrunch. The data is from a sample of homes sold during the past year in a particular Minnesota community. The relevant portion of this file is as follows: cl: selling price of home C2: asking price of home (As always, graphically display and verbally describe the relevant sample findings first, then..) Construct a 95% confidence interval for the population mean difference between selling price and asking price. Write a sentence explaining what the interval says. 3) Answer the following questions at the end of the handout reading (Experiments and Observational Studies): 3, 4, 8, 9, 10, 23 NOTE: there should be an additional sentence preceding 78, 9, 10 saying: "Explain how each of the difficulties and disasters in experiments (handout section 5.3) apply to these studies, if at all