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If a correlation coeficiant calculated for n=14 and a=0.01 is found to be r=.0856 what is the test value for the t-test?
The question states an a.c. Voltage , V comprises of a fundamental voltage of 100 V rms at a frequency of 120Hz. Write down an expression for the voltage waveforms.
Given a total study size of n, and comping g levels of the explanatory factor, the numerator degrees of freedom and the denominator degrees of freedom for the F test in a one-way ANOVA are, respecti
The P-value for an analysis of variance F test statistic is which probability from the F distribution?
If the sensible heat load is 400 kJ/s and the latent heat load is 600 kJ/s, at what wet bulb temperature does the inlet air (DB = 20 C) need to be maintained? Also, what does it need to be when all
What is the point estimate for the unknown parameter alpha? Use the c2 goodness of fit test to test the hypothesis that the number of brown trout caught each hour is Poisson dist
A reversibleexpansion according to the law pv2 =constant restore thefluid to its initial state. Calculate the value of n in the first process.
What is the value of expected sales when no money is spent on advertising and the product price and unemployment rate are both zero?
The average thermal conductivity is 71.5 W/mC and the heat transfer coefficient is 53 W/m2C. Determine the time needed to heat the rod to 1950 K. Specific heat and density of the rod are 616 J/kg C
The sample of test scores is given below. Create a relative frequency histogram of the data with 5 classes. Describe the shape of the distribution.
What is the net level premium for a $1,000 face amount three-year term policy for a 50-year-old male, assuming an interest rate of 5 percent?
If the cross sectional area of the window is 600 mm2, calculate the number of atoms of helium gas that flow across the window in 1 hour. The concentration of helium in the furnace 6.0 x 1023 atoms/m
The accompanying data resulted from an investigation of the relationship between temperature and viscosity for specimens of bitumen removed from tar sand deposits
One frequently encountered problem in crop production is deciding when to harvest maximize yield. The accompanying data on x=time to harvesting (number of days after flowering) and y=yield of paddy.
A 15 m/sec wind at 101.3 kPa and 20 degrees Celeus enter a two-bladed wind turbine with a diameter of 15 m. Calculate the following. The theoretical maximum power that could be extracted.
A random vector (X; Y ) has the joint density function f(x; y) = 6xy2 0 x 1; 0 y 1; 0 otherwise. Find fX(x) and fY (y). Are X and Y independent?
The mean is always the best measure of central tendency to use. If you use a simple random sample, then your results are guaranteed to be a good measure of the population.
Write a function that calculates the average and range of every five observations in the dataset? If the number of values in the last group of numbers is less than 5 it needs to gives a note about i
Based on the Nielsen ratings, the local CBS affiliate claims its 11:00 PM newscast reaches 41% audience. In a survvey of 100 viewers, 36% indicated that they watch the news on his local CBS station.
Eventually, the contents of the tanks come to equilibrium at the temperature of the surroundings, 520°R. Determine the amount of energy transfer by heat, in Btu, and the final pressure, in psi.
Construct an ANOVA table and conduct F-tests for the presence of nonzero brand effects, road surface effects, and interaction effects. Use Alpha 0.05.
Assuming ideal gas behavior, calculate the temperature at the exit methane stream and the entropy change (uses pressures and temperatures) of the methane.
A tourist bureau conducted a study which showed that 65% of the people who seek information about the state actually come for a visit. The office receives 15 requests for information on the state.
Free air is defined as air at standard temperature and pressure. How many cubic feet of free air must be compressed to fill a 3 ft^3 cylinder to a pressure of 94.3 psia?
During lunch time, there will be only one representative serving customers. Suppose Andrew enters the facility during lunch time and finds the representative is busy serving another customer. If the