Sample of ten measurements lies
What proportion of the following sample of ten measurements lies within 2 standard deviation of the mean?
1 5 9 2 6
3 3 4 5 2
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A 4.0 g string, 0.39 m long, is under tension. The string vibrates at 600 Hz in the third harmonic. The wavelength of the sound tone produced in the air near the string is closest to:
Abbreviated cash budget; financing emphasis An abbreviated cash budget for Big Chuck Enterprises follows. July August September Beginning cash balance $10,000 $ ? $ ?
A string, 0.260 m long, vibrating in the m = 6 harmonic, excites an open pipe, 0.880 m long, into its third resonant frequency. The common frequency of the string and the pipe is closest to:
The following are the heights, in inches, of ten middle school basketball players. Determine the data range for the following data set. Also, construct a frequency table for the data set, use a class interval width of 2 and start with 62.5 inches.
To make sure that this is the correct assumption, he has decided to conduct a test by randomly sampling 60 bills and recording the actual tips. What is the null and alternative Hypothesis?
A uniform electric field of magnitude 445 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.10 cm. What is the change in potential energy associated with the electron?
A wire of initial length L0 and radius r0 has a measured resistance of 1.0 . The wire is drawn under tensile stress to a new uniform radius of r = 0.45r0. What is the new resistance of the wire?
Suppose after charging a 14.4 µF capacitor to 15 V, you connect it to another already charged capacitor of 7 µF and 9 V. What voltage will your voltmeter read across those two capacitors connected in parallel?
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