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The following tables provide lap times from Terri Vogel's log book. Times are recorded in seconds for 2.5-mile laps completed in a series of races

The following tables provide lap times from Terri Vogel's log book. Times are recorded in seconds for 2.5-mile laps completed in a series of races and practice runs. Lap 1 Lap 2 Lap 3 Lap 4 Lap 5 Lap 6 Lap 7 Race 1 135 130 131 132 130 131 133 Race 2 134 131 131 129 128 128 129 Race 3 129 128 127 127 130 127 129 Race 4 125 125 126 125 124 125 125 Race 5 133 132 132 132 131 130 132 Race 6 130 130 130 129 129 130 129 Race 7 132 131 133 131 134 134 131 Race 8 127 128 127 130 128 126 128 Race 9 132 130 127 128 126 127 124 Race 10 135 131 131 132 130 131 130 Race 11 132 131 132 131 130 129 129 Race 12 134 130 130 130 131 130 130 Race 13 128 127 128 128 128 129 128 Race 14 132 131 131 131 132 130 130 Race 15 136 129 129 129 129 129 129 Race 16 129 129 129 128 128 129 129 Race 17 134 131 132 131 132 132 132 Race 18 129 129 130 130 133 133 127 Race 19 130 129 129 129 129 129 128 Race 20 131 128 130 128 129 130 130 Collect the Data 1. Use a stratified sampling method by lap (laps 1 through 7) and a random number generator to pick six race times from each stratum. Record the sample lap times for laps two to seven . This means select 6 random times from lap 2, another 6 random times from lap 3, and so on. Lap 2 Lap 3 Lap 4 Lap 5 Lap 6 Lap 7 _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______

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