Two-tailed test with degrees of freedom
If the test statistic for a small sample difference of means test is t* = 2.045, we could reject the Null Hypothesis at alpha = .05 for a two-tailed test with degrees of freedom equal to 16
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The number of emergency calls received by the local 911 call center is as follows. Using trend projection to forecast the number of calls that will be received during week 11.
Contact surface effects produce a semi-spherical droplet shape. If we assume uniform volume heating of the droplet by the chip, how long does it take the droplet to fully vaporize?
Calculate the speed of the ball as it leaves the barrel if a constant resisting force of 6.00 N acts on the ball as it moves along the barrel. (Solved and got 4.90m/s)
X1, X2 are random samples of size 3 from a Normal distribution. Use the moment generating function method to prove that the sum Y = X1 + X2 is normally distributed and specify the parameters. Then show (X1+X2) /2 has normal distribtion and show pa
An electron with a speed of 7.00 108 cm/s enters an electric field of magnitude 1.00 multiplied by 103 N/C, traveling along the field in the direction that retards its motion. (a) How far will the electron travel in the field before stopping moment
Assuming the variation of thermal conductivity of the wire with temperature to be negligible, obtain the differential equation that describes the variation of the temperature of the wire during steady operation.
How much time do the people have to get off comfortably during each period of the simple harmonic motion?
The formulas for the solutes are as follows: Sucrose(C12H22O11), Sodium Chloride(NaCl), Calcium Chloride (CaCl2) and Potassium Chloride(KCl).
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