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> s7<-readWave("mysong.wav", from = 1, to = 5, units = "seconds") > s7 Wave Object Number of Samples: 32000 Duration (seconds): 4 Samplingrate (Hertz): 8000 Channels (Mono/Stereo): Mono PCM (integer format): TRUE Bit (8/16/24/32/64): 16 Note that .mp3 les can be imported as a Wave object with the function readMP3.
Rejecting or failing to reject the null hypothesis. Let's return finally to the question of whether we reject or fail to reject the null hypothesis. If our statistical analysis shows that the significance level is below the cut-off value we have set (e.g., either 0.05 or 0.01), we reject the null hypothesis and accept the alternative hypothesis.
60,000,000,000,000 x 20,000,000,000 You'll discover a short way of writing very long numbers. This is called scientific notation, or E notation on a calculator ("E" stands for "Exponent"). A number written in scientific notation is written as a product of a number between 1 and 10 and a power of 10.
That is, our rejection rule is that we should reject the null hypothesis H 0 if Z ≥ 1.96 or we should reject the null hypothesis H 0 if Z ≤ −1.96. Alternatively, we can write that we should reject the null hypothesis H 0 if |Z| ≥ 1.96. Because our test statistic is −1.92, we just barely fail to reject the null hypothesis, because 1.92.
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Feb 23, 2018 · Bring the board forward. Bring it 1-3 feet (30.5 cm - 91 cm) as shown in Figure 3, and repeat steps 9-12. Do this all the way to the other side of the foundation. In the area between board placements, use the rake to smooth out the ground, and bring it to the elevation of the area leveled underneath the boards.