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- Each made-up population follows a line _y = + x with standard deviation about the line, and every sample has n cases whose x values have standard…\sigma = 6,\ s_x = 5,\ n = 10\sigma = 1.2,\ s_x = 0.8,\ n = 17\sigma = 2.5,\ s_x = 4,\ n = 37\sigma = 0.9,\ s_x = 12,\ n = 50
- A pedicab company logs 9 rides (made-up data):
- A lab raises crayfish in 12 tanks held at fixed water temperatures x (^C) and records each crayfish's growth y (mm of carapace length over eight…
- A fisheries class studies yellow perch in a large lake (made-up numbers).
- In a made-up city, the price y (dollars) of a dorm bed for one night falls with the distance x (km) of the hostel from the old town square.
- A biology teacher simulates samples of harvester ant colonies from a made-up population.
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Sampling distribution of the slope: the lesson ›More Chapter 11 worksheets: Inference for slopes
- 11.1Sampling distribution of the slope
- 11.2Conditions for regression inference
- 11.3Interval for a slope
- 11.4Test for a slope
- 11.5Choosing the right procedure