Use the standard error to construct anapproximateprediction interval forYusing an alpha of 5%.(Round your answer to 3 decimal places.)

Prediction interval for Y:y^i___________?

Based on the width of this prediction interval, would you say the predictions are good enough to have practical value?

• Yes
• No

Spread sheet

Cruise Speed of Selected Piston Aircraft (n = 55, k = 4) Obs Mfgr/Model Cruise Year TotalHP NumBlades Turbo 1 Cessna Turbo Stationair TU206 148 1981 310 3 1 2 Cessna 310 R 194 1975 570 3 0 3 Piper 125 Tri Pacer 107 1951 125 2 0 4 Maule Comet 115 1996 180 2 0 5 Cessna P210 186 1982 285 3 0 6 Piper Dakota 147 1979 235 2 0 7 Cessna 1825 Skylane 140 1997 230 3 0 8 Cessna 421B 234 1974 750 3 0 9 Cessna T210K 190 1970 285 3 1 10 Piper Super Cab 100 1975 150 2 0 11 Cessna 337G Skymotor II 170 1975 420 2 0 12 Piper Seneca V 174 1997 440 2 0 13 Mooney M20C 156 1965 200 2 0 14 Beech Baron 58P 241 1984 650 3 0 15 Piper Archer III 129 1997 180 2 0 16 Cessna 172 R Skyhawk 122 1997 160 2 0 17 Cessna T303 Crusader 190 1983 500 3 1 18 Piper Seneca III 180 1982 440 3 1 19 Piper Saratoga II TC 186 1998 300 3 1 20 Cessna Turbo Skylane RG 159 1979 235 2 1 21 Mooney 231 170 1982 210 2 1 22 Beech Sierra 141 1972 360 2 0 23 Piper Malibu Mirage 213 1998 350 3 0 24 Lancair Columbia 300 191 1998 310 3 0 25 Bellanca Super Viking 161 1973 300 2 0 26 Cessna 172 RG Cutlass 129 1982 180 2 0 27 Beech Duchess 164 1982 360 2 0 28 Piper Aztec F 191 1980 500 2 0 29 Cessna Cardinal 124 1970 180 2 0 30 Beech Baron D55 199 1968 570 2 0 31 Sky Arrow 650 TC 98 1998 81 1 0 32 Cessna 414A 223 1985 620 3 0 33 Cessna U206H 143 1998 300 3 0 34 Cirrus SR20 160 1999 200 3 0 35 Cessna 152 107 1978 110 2 0 36 Mooney Eagle M205 175 1999 244 2 0 37 Socata TB20 Trinidad 163 1999 250 2 0 38 Rockwell Commander 114 151 1976 260 2 0 39 Piper Malibu Mirage 215 1989 350 2 1 40 Piper Turbo Lance 176 1979 300 2 1 41 Cessna 182Q Skylane 144 1977 230 2 0 42 Beech Baron 58 200 1984 600 3 0 43 Cessna 170B 104 1953 145 2 0 44 Beech Bonanza B36 TC 174 1982 300 3 1 45 Mooney Ovation 2 M20R 188 2000 280 2 0 46 Extra Extra 400 235 2000 350 4 1 47 AMD CH 2000 100 2000 116 2 0 48 Piper Satatoga SP 148 1980 300 2 0 49 Cessna Turbo Skylane T182T 160 2001 235 3 1 50 Piper Seneca V 186 2002 440 3 1 51 Tiger AG-5B 143 2002 180 2 0 52 Diamond C1 Eclipse 140 2002 125 2 0 53 OMF Aircraft Symphony 128 2002 160 2 0 54 Liberty XL-2 132 2003 125 2 0 55 Piper 6X 148 2004 300 3 0