Mathematics, 31.03.2021 01:00 LILYTH8413
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An audiometer is a machine that tests a person's hearing by producing tones across the speech spectrum. During a hearing test, an audiometer
produces a pure tone with a frequency of 2,000 hertz (cycles/second)
The given function represents the change in pressure, p(t), in milpascals, relative to the normal air pressure in the room as a function of time,
in seconds, after the pure tone is produced,
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Farmers know that driving heavy equipment on wet soil compresses the soil and injures future crops. here are data on the "penetrability" of the same type of soil at two levels of compression. penetrability is a measure of how much resistance plant roots will meet when they try to grow through the soil. compressed soil 2.85 2.66 3 2.82 2.76 2.81 2.78 3.08 2.94 2.86 3.08 2.82 2.78 2.98 3.00 2.78 2.96 2.90 3.18 3.16 intermediate soil 3.17 3.37 3.1 3.40 3.38 3.14 3.18 3.26 2.96 3.02 3.54 3.36 3.18 3.12 3.86 2.92 3.46 3.44 3.62 4.26 use the data, omitting the high outlier, to give a 95% confidence interval for the decrease in penetrability of compressed soil relative to intermediate soil. compute degrees of freedom using the conservative method. interval: to
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An audiometer is a machine that tests a person's hearing by producing ton...
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